Home/ECAT/ECAT Chemistry Chemical Bonding Online Test

ECAT Chemistry Chemical Bonding Online Test

Maan AliLast Updated: April 19, 2025

Chemistry Chemical Bonding MCQS Online Test

ECAT Chemistry Chemical Bonding Chapter Online Test

Total Questions:	187
Time Allowed:	60 Minutes
Total Marks:	187
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	ECAT Entry Test Chemistry Online Test Interview Questions about Chemisttry All Universities Entrance Test Recruitments Tests

ECAT Chemistry Chemical Bonding Test

Please wait...

Page 1 of 8

Chemistry

1. When 6d orbital is complete, the entering electron goes into

2. In BrF₃ molecule, the lone pairs occupy equatorial positions to minimize

Lone pair – lone pair repulsion and lone pair – bond pair repulsion

Lone pair – lone pair repulsion only

Bond pair – bond pair repulsion only

Lone pair – bond pair repulsion only

3. Force responsible to hold atoms together in a compound is called

Bond

Attractive force

Interaction

All of above represent same entity

4. In a double bond connecting two atoms there is a sharing of

1 electron

6 electrons

4 electrons

2 electrons

5. Which quantum number is sufficient to describe the electron is hydrogen atom?

6. The number and type of bonds between carbon atoms in calcium carbide are

Two sigma, one pi

One sigma, two pi

Two sigma, two pi

One sigma, one pi

7. In the ground state, an element has 13 electrons in its M shell. The element is

Chromium

Nickel

Copper

Iron

8. In Millikan oil – drop experiment, the charges on several different oil drops were as: -5.92. – 4.44, -2.96, -8.88. The units are arbitrary. Choose the likely value of the electronic charge in these arbitrary units?

-1.48

-2.96

-2.22

-1.11

9. A lone pair of electrons in an atom implies

A pair of electrons

A pair of valence electrons

A pair of electrons involved in bonding

A pair of valence electrons not involved in bonding

10. Which orbital of the following has a principal quantum number of 3 and an angular momentum quantum number of 27?

11. A long a period E.N __________ from left to right

Decreases

Variable trend

Constant

Increases

12. When potassium metal is exposed to violet light

There is no effect

The absorption of electrons takes place

Ejection of some potassium atoms occurs

Ejection of electrons takes place

13. Which of the bonds, shown by the ___________ has the greatest polarity?

H – OH

H – NH₂

H – Cl

H – SH

14. The de-Broglie wavelength of a particle with mass 1 g and velocity 100 m/s is

6.63 x 10¯³³ m

6.65 x 10¯³⁵ m

6.63 x 10¯³⁵ m

6.63 x 10¯³⁴ m

15. Which of the following molecule has Ā bond

NH₃

O₂

C₃H₆

H₂O

16. Al become isoelectronic with Ne

By losing two electrons

By gaining two electrons

By losing three electrons

By gaining three electrons

17. Which of the following orbitals have a dumb bell shape?

18. The bond order in NO is 2.5 while that is NO⁺ is 3. Which of the following statements is true for these two species?

Bond length is unpredictable

Bond length in NO is greater than in NO⁺

Bond length in NO⁺ is equal to that in NO

Bond length in NO⁺ is greater than in NO

19. When two hydrogen atoms approach to form a chemical bond

The attractive forces dominate the repulsive forces

They energy of atoms increases

The two atoms start ionization

The repulsive force dominate the attractive forces

20. Geometry of molecule will be pyramidal if the outer post shell of the central atom has

2 bond pair 2 lone pair

3 bond pair one lone pair

1 bond pair 3 lone pair

3 lone pair 1 bond pair

21. Fluorine has an atomic number 9 and Chlorine has 17. Which one has the highest electron affinity?

Both are equal

Cannot be determined

22. Bond order for N2 molecule is

23. The boiling point of heavy water is

101.4°C

108°C

99°C

110°C

24. Which one of the following pairs of atoms is most likely to form an ionic bond?

N and F

Na and F

C and F

O and F

25. Electronic configuration of K is

[AR]4S²

[Kr]4S¹

[AR]4S¹

[He]4S¹

Page 2 of 8

26. Element having the smallest atomic radius among the following is

27. Which of the following element’s outermost orbits last electron has magnetic quantum number m = 0?

28. The relative attraction of the nucleus for the electrons in a chemical bond is called

Electron affinity

None of these

Electro negativity

Ionization energy

29. A chemist poured juice on soil. Which idea may he have in his mind?

There may not be a possibility of chemical reaction

Lemon juice is dangerous for health

There may be a possibility of a chemical reaction

Water should be preferred over lemon Juice for drinking

30. Lewis acids are

Electron rich

No such acids exist

Electron deficient

Octet is complete

31. Which of the following is the correct electron – dot formula of CO₂?

32. In CCl₄, the four valencies of carbon are directed towards the corners of a

Tetrahedron

Cube

Hexagon

Prism

33. The number of d-electrons retained in Fe²⁺ (At. No. of Fe = 26) ions is

34. If the molecule of HCl were totally polar, the expected value of dipole moment is 6.12 D (Debye) but the experimental value of dipole moment was 1.03 D. Calculate the percentage ionic character.

Zero

35. Lateral overlapping expected in

O-bond

Ionic bond

Metallic bond

Ā-bonds

36. Which is not true with respect to cathode rays?

Move with speed as that of light

Can be deflected by magnetic fields

A stream of electrons

Charged particles

37. Number of π-bonds in naphthalene is

38. Atom with higher atomic number produces X-rays of

Larger wavelength

Shorter wavelength

Gamma rays

X-rays not produced

39. The configuration 1s² 2s² 2p⁵ 3s¹ shows

Excited state of fluorine

Ground state of fluorine atom

Excited state of neon

Excited state of O¯₂

40. Azimuthal quantum number of last electron of ₁₁Na is

41. Which one shows high % age of the ionic character?

HBr

HCI

H2O

42. In acetylene molecule, the two carbon atoms are linked by

Three pi-bonds

Two sigma bonds and one pi-bond

Three sigma bonds

One sigma bond and two pi-bonds

43. The total number of possible values of magnetic quantum number for the value of l = 3 is

44. The four quantum numbers of the valency electron of potassium are

4, 1, 0, ½

4, 1, 1, ½

4, 0, 0, ½

4, 4, 0, ½

45. Which of the following has zero depolemoment?

ClF

SiF₄

CFCl₃

PCl₃

46. Inter molecular forces in solid hydrogen are

All of these

Hydrogen bonds

Covalent forces

Van der Waal forces or London dispersion forces

47. Which hydrogen halide among the following has the highest percentage of ionic character?

HBr

HCl

48. Energy of an atom in a compound is

Higher than individual

Impossible to predict

Lesser than individual

No change

49. On sp3 hybridization

One p-orbital is involved

All p-orbitals are involved

Four p-orbitals are involved

One s and 3 p-orbitals are involved

50. Unit of dipole moment is

Poise

Pascal

Newton

Debye

Page 3 of 8

51. According to VSEPR theory, the shape of the water molecule is

Planar triangle

Linear

Distorted tetrahedral

Octahedral

52. The velocity of photon is

Equal to square

Depends on its wavelength

Independent of its wavelength

Depends on its source

53. Unit of dipole moment is

Debye

Pascal

Newton

Poise

54. Which of the following will have highest value of electron affinity

55. Which molecule is polar among the following?

Ethane

Carbon tetrachloride

Carbon dioxide

Methanol

56. Energy released or absorbed when electrons are added in atom is

Ionization potential

Electronegativity

Activation energy

Electron affinity

57. When 2 lone pair and 2 bond pair are around the central atom reduction in the bond angle is up to. (in degrees)

102

104.5

109.5

107.5

58. The energy required to remove electron from an atom is called

Ea.

E.N

E.A

I.P

59. In which one of the following does the central atom not possess can octet in its outer shell?

H₂O

NH₃

CH₄

BH₃

60. Colour of the glow produced in the discharge tube

Does not depend on the nature of the gas used in the discharge tube

Depends on the gas used in the discharge tube

Depends on the pressure in the discharge tube

Does not depend on the nature of the gas used in the discharge tube

61. Which of the following compounds can form hydrogen bond?

CHCl₃

H₂O

CH₄

NaCl

62. The spectrum of He is expected to be similar to that of

He⁺

Li⁺

63. Hydrogen chloride molecule contains

Double bond

Covalent bond

Co-ordinate bond

Electrovalent bond

64. Which of the following contains both polar and non-polar bonds?

CH₄

HCN

NH₄Cl

H₂O₂

65. The energy of the first electron in helium will be

-5.44 eV

-13.6 eV

-54.4 eV

Zero

66. Which of the following is the best explanation that CO₂ is a non-polar molecule?

Dipole moment is zero

SP hybridization

Linear geometry

None

67. Which of the following value of Electronegativity difference corresponds the formation of Ionic Bond?

Lesser then 1.7

Greater than 1.7

Equal to 1.7

No specificity exist

68. Fluorine molecule is formed by

The sidewise p-p overlap

The overlap of two sp² hybrid orbitals

The axial s-p overlap

The axial p-p overlap

69. The number of anti-bonding electron pairs in O₂²¯ molecular ion on the basis of MOT is

70. Which one among the following does not have the hydrogen bond?

Liquid HCl

Liquid NH3

Water

Phenol

71. Covalent compounds are soluble in

Concentrated acids

Non-polar solvents

All solvents

Polar solvents

72. Pick out the molecule which has zero dipole moment

NH₃

BCl₃

SO₂

H₂O

73. According to VSPER theory, ammonia molecule has --------- shape

Pyramidal

Trigonal

Tetrahedral

Triangular

74. Sodium chloride imparts a yellow colour to the Bunsen flame. This can be interpreted due to the

Low ionization energy of sodium

Photosensitivity of sodium

Sublimation of metallic sodium to give yellow vapour

Emission of excess energy absorbed as a radiation in the visible region

75. Which of the following is a non-directional orbital?

SP²

Page 4 of 8

76. Water (H₂O) is liquid while hydrogen sulphide (H₂O) is a gas because

Water has higher molecular weight

Hydrogen sulphide is a weak acid

Water molecules associate through hydrogen bonding

Sulphure has high electronegativity than oxygen

77. Which of the following has the greatest covalent character?

AlCl₃

SiCl₄

NaCl

MgCl₂

78. Choose the correct statement about 2nd ionization energy

It is equal to the 1st ionization energy

It is always less than 1st ionization energy

It is always greater than 1st ionization energy

It may be greater or less than the 1st ionization depending upon ht nature of the element

79. Which of the following statements about positive ions is incorrect?

They are smaller than the atoms from which they were formed

They are formed when electros are formed from atoms

They are larger than the atoms from which they were formed

They are also known as cations

80. Which of the following would have a permanent dipole moment?

SF₄

BF₃

SiF₄

XeF₄

81. The carbon atoms in calcium carbide are held by

2 sigma bonds

2 covalent, one co-ordinate bond

2π and one σ bond

Ionic bonds

82. The shape of the molecule SF₂Cl₂ is

Octahedral

Trigonal bipyramidal

Cubic

Tetrahedral

83. Which one of these is weakest?

Ionic bond

Van der Waal’s forces

Metallic bond

Covalent bond

84. Consider the ground state of Cr atom (Z = 24). The numbers of electrons with the azimuthal quantum numbers l = 1 and l = 2 are respectively

16 and 5

12 and 4

16 and 4

12 and 5

85. Formulation of chemical bond between atoms of elements is based on

Electronegative character of elements

Pauli exclusion principle

Electropositive character of elements

Octet rule

86. Which of the solid does not contain covalent bond

Graphite

Ice

Copper

Diamond

87. In O2 each oxygen atom is hybridized

Sp3

All

Sp2

88. XeF₄ has shape of

Tetrahedral

Trigonal bipyramidal

Square planar

Sphere

89. The central atom in BrF₅ has _?_ bonding pairs of electrons and _?_ non-bonding pairs of electrons.

5….0

1….5

5….1

0….5

90. 2nd orbit is away from nucleus for H-atom as compared to first orbit

3-times

2-times

6-times

4-times

91. Which of the following is not absolute term of element?

Electron affinity

Atomic size

Electronegativity

Ionization energy

92. Among the alkaline earth metals the element forming predominantly covalent compounds is

Calcium

93. Noble gases are most stable of all other elements because

They have high ionization energies

They do not react with one another

They have completely filled s and p orbitals

They are mono atomic gases

94. The electro negativities of F, Cl, Br and I are 4.0, 3.0, 2.8, 2.5 respectively. Hydrogen halide with a high percentage of ionic character is

HCl

HBr

95. What happens to IP value if shielding effect is greater?

Greater

No effect

Remain same

Lesser

96. If atomic numbers of nickel and copper are 28 and 29 respectively. Which of the following does the electronic configuration 1s² 2s² 2p⁶3s²3p⁶3d⁹ represent?

Ni²⁺

Cu²⁺

Cu⁺

97. Which of the following is not isoelectronic?

Na⁺

Mg²⁺

O²¯

Cl¯

98. Bohr’s model atom is contradicted by

Heisenberg’s uncertainty principle

Quarternization of energy of electrons

Quarternization of angular members

Plank’s quantum theory

99. Which of the following is a non-directional orbital

SP²

100. Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to the highest energy

Radio, visible, infrared, ultraviolet

X – radiation, visible, infrared, microwave

Microwave, infrared, visible, ultraviolet

Visible, ultraviolet, infrared, gamma rays

Page 5 of 8

101. A molecule in which sp² hybrid orbitals are used by the central atom in forming covalent bonds is

He₂

PCl₅

N₂

SO₂

102. ____________ has their outermost shell complete in atomic form

Gun metals

Noble gases

Coinage metals

Alkali metals

103. Outermost shells of two elements X and Y have two and six electrons respectively. If they combine, the expected formula of compound will be

XY₂

X₂Y₃

X₂Y

104. The number of significant figures in 0.00200 is

One

Two

Five

Three

105. Which of the following has unchanged valency?

Oxygen

106. The third line of the Balmer series, in the emission spectrum of the hydrogen atom, is due to the transition from the

Seventh Bohr orbit to the third Bohr orbit

Fifth Bohr orbit to the second Bohr orbit

Fourth Bohr orbit to the first Bohr orbit

Sixth Bohr orbit to the third Bohr orbit

107. In which of the following pairs, the numbers of electrons in the outermost shell are different?

As, Sb

Ge, Sn

In, Pt

Se, Te

108. In OF₂, number of bond pairs and lone pairs of electrons are respectively

2, 10

2, 9

2, 6

2, 8

109. With increasing principle quantum number, the energy difference between adjacent energy levels in H atom

Decreases

Increases

Decreases for low value of Z and increases for higher value of Z

Remains constant

110. Deflection of blue light is lesser than violet because

Blue has more energy

Blue has higher wavelength

Blue is darker colour

Blue is absorbed more easily

111. Which of the following hydrides has the lowest boiling point?

H₂O

H₂S3

H₂O

H₂Te

112. Which carbon is more electronegative?

sp²- hybridized carbon

always same irrespective of its hybrid state

sp³-hybridized carbon

sp- hybridized carbon

113. Which of the following species is paramagnetic?

O²¯

CO₂

CN¯

114. Pi bonds are produced by overlapping of

Hybrid orbitals

Un-hybrid orbitals

Atomic orbital and hybrid orbital

Hybrid and un hybrid orbitals

115. The nature of inter-particle forces in benzene is

H-bonding

Dispersion force

Dipole-dipole interaction

Ion-dipole interaction

116. Which of the following has more unpaired d-electrons?

Ni³⁺

Fe²⁺

Zn⁺

Cu⁺

117. Nuclear radiation is emitted by those elements whose

Molecules are unstable

Nuclei are unstable

Molecules are stable

Nuclei are stable

118. Which of the following molecules does not have a net dipole moment?

BrF₃

NH₃

H₂O

BF₃

119. Which of the following equation represents the 1^st ionization energy of Na?

120. Which of the following has maximum e/m value for positive rays?

Nitrogen

Helium

Oxygen

Hydrogen

121. Which of the following species has lone pair of electrons on central atom?

PCl₃

CH₄

Pcl₄

N⁺H₄

122. The relative attraction of the nucleus for the electrons in a chemical bond is called

Electronegativity

Electron affinity

None of these

Ionization energy

123. According to MO theory, the species O⁺₂ possesses

Three unpaired electrons

Stability lower then O₂

Bond order of 2.5

Diamagnetic character

124. Nitrogen gas is chemically inert gas due to the reason that

It has high heat of dissociation

There is triple bond between nitrogen atoms which make the molecule quite stable

Some of the electrons are also present in anti-bonding molecular orbitals

It has high electronegativity

125. Anti-bonding MO is formed by

Addition of atomic orbitals

None of these

Multiplication of atomic orbitals

Subtraction of atomic orbitals

Page 6 of 8

126. The correct set of quantum numbers (n, l and m) respectively of the unpaired electron of chlorine atom is:

3, 2, 1

3, 1, 1

2, 1, 0

2, 1, 1

127. Choose the correct statement

The molecular orbitals in a molecule equals twice the number of constituent atomic orbitals

As bonding molecular orbitals become more stable, anti-bonding molecular orbital become equally less stable

Each bonding molecular orbital can accommodate only one electron

In molecular orbitals, the number of bonding electrons equals the number of anti-bonding electrons

128. How many sigma and pi bonds are present in tetra cyano ethylene?

Nine σ and nine π

Five π and nine σ

Nine σ and seven π

Eight σ and eight π

129. The value of e/m ratio of electron is:

6.02 x 10²³

9.1095 x 10¯³¹

1.7588 x 10²⁰

1.7588 x 10¹¹

130. Number of sigma bonds in P₄O₁₀ is

131. The ionization energy

Does not change in a period

Increase from top to bottom in a group

Does not change in a group

Generally increases from left to right in a period

132. Find the magnetic moment of a divalent ion in aqueous solution if its atomic number is 25

5.9 BM

3.0 BM

4.9 BM

6.9 BM

133. An oxygen atom has mass of

5.316 x 10¯²³ g

16g

2.657 x 10¯²³ g

5.316 x 10¯²³ g

134. Which of the sub – atomic particles is not charged?

All these

Neutron

Proton

Electron

135. The most suitable method of the separation of a mixture of ortho and para-nitrophenol mixed in the ratio of 1 : 1 is

Colour spectrum

Crystallization

Vaporization

Distillation

136. The relative attraction of the nucleus for the electrons in a chemical bond is called

Ionization energy

None of these

Electron affinity

Electro negativity

137. Shape of CIO₃¯ is

Triangular pyramidal

Triangular bipyramidal

Tetrahedral

Triangular planar

138. Which one of the following molecules shows high percentage of ionic character?

H₂O

HCl

HBr

139. Which of the following molecules has no net dipole moment?

HCl

H₂O

CCl₄

CH₃Cl

140. Ionic radius in a period from left to right

First decreases then increases

Decreases

Increases

First increases then decreases

141. If the radius of first Bohr orbit be ɜ₀, then the radius of third Bohr orbit would be

3 x ɜ₀

9 x ɜ₀

1/2 x ɜ₀

6 x ɜ₀

142. Which of the following geometry is associated with the compound in which the central atom assumes sp³ d hybridization?

Pyramidal

Planar

Trigonal bipyramidal

Angular

143. Along a period the atomic radii

Increases

First decreases then increases

Constant

Decreases

144. Which of the following phenomena will occur when two atoms of the elements having same spin of electron approach for bonding?

None of these

Orbital overlap will not occur

Bonding will not occur

Both A and B are correct

145. When two ice cubes are pressed over each other, they unite to form one cube. Which of the following forces is responsible to hold them together?

Dipole interaction

Van der Waal’s forces

Hydrogen bond formation

Covalent attraction

146. Which has the minimum bond angle?

H₂O

CH₄

NH₃

H₂S

147. Molecular orbital picture of N₂ indicates

None of these

Two unpaired electron

No unpaired electron

One unpaired electron

148. Effective magnetic moment of Sc³ ion is

5.92

1.73

2.83

149. Which kinds of bonding can be found in a sample of H₂O(l)?

Nonpolar covalent bonds only

Both polar covalent and hydrogen bonds

Ionic and nonpolar hydrogen bonds

Hydrogen bonds only

150. Geometry of simple molecule having SP³ hybrid orbital is

Linear

Tetrahedral

Triangular

Square planner

Page 7 of 8

151. The energy of a photon is given as, ∆ E/atom = 3.03 x 10¯¹⁹ J atom¯¹ then, the wavelength (λ) of the photon is

0.656 nm

656 nm

65.6 nm

6.56 nm

152. 1 erg of energy corresponds to

6.02 x 10¹⁶ J/mol

10¯⁷ J/mol

1 erg/mol

6.02 x 10²³ J/mol

153. A student subtracted 0.00055 from 10.2345678 and reported the result as 10.23401. But his friend told him that result was wrong. What is the correct result?

10.234017

10.234

10.23

10.2340178

154. The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element?

155. According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be

Octahedral

Square planner

Trigonal bipyramidal

Triangular

156. Quantum umber values for 2p orbitals are

n = 1, l = 0

n = 1, l = 2

n = 2, l = 1

n = 2, l = 0

157. By combining n atomic orbital, numbers of hybrid orbitals will be

Impossible to predict

3 n

2 n

158. The spectrum of helium is expected to be similar to that of

He⁺

Li⁺

159. Ammonia has a net dipole moment while boron trifluoride has zero dipole moment because

Boron trifluoride is pyramidal in shape while NH₃ is planar

Fluorides are more electronegative

NH₃ is pyramidal in shape while BF₃ is planar

Fluorides is more electronegative

160. If the value of principal quantum number is 3, the total possible values for magnetic quantum number will be

161. When a double bond is formed between two atoms, one of the bonds is a sigma bond and the other is a pi bond. The pi bond is created by the overlap of……

s orbitals

p orbitals

sp³ hybrid orbitals

sp² hybrid orbitals

162. The shape of ClO₃ according to valence shell electron pair repulsion theory will be

Planar triangle

Tetrahedral

Pyramidal

Square planar

163. The shape of H₃O⁺ is

Pyramidal

Tetrahedral

Angular

Triangular planar

164. Keeping in view the bonding molecular orbitals, find the incorrect statement

Bonding molecular orbitals have low electron density between the two nuclei

Bonding molecular orbitals are formed when the electrons waves are undergo constructive interference

Every electron in the bonding molecular orbital contributes to the attraction between atoms

Bonding molecular possess less energy than atomic orbitals from which they are formed

165. Maximum hydrogen bonds in water are,

166. An electron has principal quantum number 3. The number of its (i) subshells and (ii) orbitals would be respectively

3 and 5

3 and 9

3 and 7

2 and 5

167. Which of the following is to isoelectronic with rest of three?

S¯²

K⁺

Na⁺

Cl¯

168. Molecular orbitals are filled according to

Aufbau principal

Pauli’s exclusion principle

All these

Hund’s rule

169. Which of these molecules require more bond energy?

Hydrogen

Oxygen

Nitrogen

170. The twelve enter most electrons in O₂ molecule are distributed according to MOT as under. Find the correct one.

12 in bonding molecular orbitals, and zero in anti-bonding molecular orbitals

8 in bonding molecular orbitals, 4 in anti-bonding molecular orbitals

9 in bonding molecular orbitals and 3 in anti-bonding molecular orbitals

10 in bonding molecular orbitals and 2 in anti-bonding molecular orbitals

171. The electronegativity of elements in a period from left to right

First increases then decreases

Decreases

Increases

First decreases then increases

172. The force which holds the atoms together to form a compound is known as

Dispersion force

London force

Chemical bond

Van der Waal’s force

173. H-bonding is not present in

Glycerine

Hydrogen fluoride

Water

Hydrogen sulphide

174. The structure of ICl₂¯ is

Octahedral

Trigonal bipyramidal

Trigonal

Square planar

175. The nature of positive rays depends upon

All of these

The nature of residual gas

The nature of electrode

The nature of discharge tube

Page 8 of 8

176. Bond angle in water is

104.5°

107°

120°

109.5°

177. Elements with ________ first ionization energies and ________ electron affinities generally from cations. Choose the correct point

None of these

Low very negative

Low, positive or slightly negative

High, very negative

178. The number of σ and π-bonds present in pent-4-en-l yne is

10, 3

4, 9

9, 4

3, 10

179. The bond angle H – O – H in ice is closest to

60°

109°

120°

90°

180. For principle quantum number, n = 4, the total number of orbitals having 1 = 3 is

181. How many molecular orbitals may be constructed from the valence shell orbitals of the constituent atoms in CH₄?

182. Geometry of simple molecule having sp3 hybrid orbital is

Triangular

Linear

Tetrahedral

Square planner

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

UET Peshawar Entry Test 2025 Registration Online ETEA Test D...
ECAT Statistics Test Set 17
ECAT Statistics Test Set 16
ECAT Statistics Test Set 15
ECAT Statistics Test Set 14
ECAT Statistics Test Set 13
ECAT Statistics Test Set 12
ECAT Statistics Test Set 11
ECAT Statistics Test Set 10
ECAT Statistics Test Set 9

Maan AliLast Updated: April 19, 2025

Facebook Twitter Reddit WhatsApp Share via Email Print

ECAT Chemistry Chemical Bonding Online Test

Chemistry Chemical Bonding MCQS Online Test

ECAT Chemistry Chemical Bonding Chapter Online Test

ECAT Chemistry Chemical Bonding Test

Chemistry

You Might Also Like

Maan Ali

One Comment

Leave a Reply Cancel reply

Chemistry Chemical Bonding MCQS Online Test

ECAT Chemistry Chemical Bonding Chapter Online Test

ECAT Chemistry Chemical Bonding Test

Chemistry

You Might Also Like

Maan Ali

Your Related

ECAT Computer Science Microsoft Access-Forms and Reports Test Online

NED-Karachi ECAT Chemistry Entry Test Online Preparation

ECAT English Spotting Errors 5 Online Test

ECAT Mathematics Solution of Trigonometric Functions Online Test

ECAT Chemistry Periodic Classification Of Elements & Periodicity Test Online

ECAT Computer Science Word Processing Test Online

One Comment

Leave a Reply Cancel reply