Fundamental Principles of Organic Chemistry Online Mcqs Test

Q: How can I prepare for Fundamental Principles of Organic Chemistry Online Mcqs Test?

You can prepare for Fundamental Principles of Organic Chemistry Online Mcqs Test by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

1. Vital force theory was rejected by

Question 2

2. A π (pi) bond is the result of the

Answer

Overlap of two s orbitals

Answer

Sidewise overlap of two parallel p orbitals

Answer

Overlap of an s and a p orbital

Answer

Overlap of two p orbitals along their axes

Question 3

3. The bond angle between hydrogen atoms and carbon in alkane is

Question 4

4. Fossil fuels are sources of organic compounds. Which one is not fossil fuel?

Answer

Natural gas

Question 5

5. What kind of hybrid orbitals are utilized by the carbon atom in CF₄ molecules?

Question 6

6. I-Chloropropane has two isomers. It is an example of

Answer

Functional group isomerism

Answer

Position isomerism

Answer

Chain isomerism

Answer

Metamerism

Question 7

7. Straight chain hydrocarbons are

Answer

None of these

Answer

Not in a series

Answer

In which atoms of C are in a series

Answer

In which each carbon is attached at least with three other carbon atoms

Question 8

8. The major portion of natural oil is

Question 9

9. Choose the molecule that is incorrectly matched with the electronic geometry about the central atom.

Answer

H₂O – tetrahedral

Answer

CF₄ - tetrahedral

Answer

PF₃ - pyramidal

Answer

NH₃ - tetrahedral

Question 10

10. Which is the solid form of petroleum?

Question 11

11. An alkene forms isomers if the number of carbon atoms is at least

Question 12

12. Which of the following pairs of molecules and their molecular geometries in WRONG?

Answer

BF₃ - trigonal planar

Answer

AsF₅ - trigonal bipyramidal

Answer

NF₃ - trigonal planar

Answer

H₂O - bent

Question 13

13. Which of the following species is planar?

Question 14

14. The open chain organic compounds are called

Answer

Both A and B

Answer

Linear compounds

Question 15

15. When a carbon atom forms single bonds with other carbon atoms, these hybrid orbitals overlap with the orbitals of hydrogen to form four bonds which are

Answer

Three sigma and one Pi

Answer

One sigma and three Pi

Answer

Two sigma and two Pi

Question 16

16. Organic compounds are soluble in all except

Question 17

17. Peat before conversion to bituminous coal is converted to

Answer

Anthracite

Question 18

18. Furan is a give membered ring in which one position is occupied by

Question 19

19. The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called

Answer

Chain isomers

Answer

Functional isomers

Answer

Position isomers

Question 20

20. An isomer of ethanol is:

Answer

Diethyl ether

Answer

Dimethyl ether

Question 21

21. Which of the following four molecules are polar: PH₃ OF₂ HF SO₃?

Answer

All except SO₃

Answer

Only HF and OF₂

Answer

None of these

Question 22

22. Which polyatomic ion is incorrectly matched with its ionic geometry?

Answer

PH₄⁺ - tetrahedral

Answer

NH₄⁺ - tetrahedral

Answer

ClO₂ - angular

Answer

SiCl₆²¯ -trigonal bipyramidal

Question 23

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

Answer

1 band pair 3 lone pair

Answer

3 band pair one lone pair

Answer

2 band pair 2 lone pair

Answer

3 lone pair 1 bond pair

Question 24

24. The compounds containing –SH as a functional group are called

Answer

Hydrogen sulphides

Question 25

25. Bromoethane can be converted to ethane by

Answer

Reaction with aq KOH

Answer

Reaction with alcoholic KOH

Question 26

26. Which of the following compounds will exhibit cis-trans isomerism?

Question 27

27. Which one of the following contains 50% carbon?

Answer

Antheracite

Question 28

28. Which of the following gases is used for illuminating purpose?

Question 29

29. C₂H₂Cl₂ can show isomerism

Answer

Metamerism

Answer

Functional group

Question 30

30. Ether shows the phenomenon of

Answer

Cis – trass isomerism

Answer

Position isomerism

Answer

Metamerism

Answer

Chain isomerism

Question 31

31. The active part in a molecule is called:

Answer

Ionic complex

Answer

Homologous series

Answer

Chemical bonding

Answer

Functional group

Question 32

32. Hydrocarbons contain

Answer

C and H only

Answer

C, H, and O only

Answer

C, H, O and N only

Answer

C and S only

Question 33

33. The components of petroleum can be separated due to

Answer

Having different B.P.

Answer

Having different chemical properties

Answer

Having different M.P.

Answer

Having different physical states

Question 34

34. A triple bond contains _____ sigma bond(s) and _________ pi bond(s).

Question 35

35. Acetylene had a characteristic ethereal smell resembling that of

Question 36

36. The components of petroleum can be separated due to

Answer

Having different chemical properties

Answer

Having different M.P.

Answer

Having different physical states

Answer

Having different B.P.

Question 37

37. Methane is produced when aluminum carbide is treated with

Question 38

38. Toulene is a compound in which benzene has a substituent

Answer

-CHO group

Answer

+NH₂ group

Answer

-CH₃ group

Answer

- OH group

Question 39

39. Identify the compound which has a bond angle of 109.5°?

Question 40

40. Which of the following possess linear geometry

Question 41

41. Which is not the characteristic property of organic compounds?

Answer

They form long chain compounds

Answer

They exist in homologous series

Answer

Organic compound chain compounds

Answer

Organic compounds are water soluble

Question 42

42. The functional group isomer of dimethyl –ether is

Answer

Butyl alcohol

Answer

Ethyl alcohol

Answer

Prophyl alcohol

Answer

Diethyl pether

Question 43

43. Coal is obtained from dead remains of

Answer

Both a and b

Question 44

44. The rotation of two carbon atoms joined by double bond would happened only if

Answer

Both bonds are broken

Answer

Pi bond is broken

Answer

None of these

Answer

Sigma bond is broken

Question 45

45. Identify the4 compound formed, when ethylene combines with water in the presences of 10% sulphuric acid and HgSO₄ as catalyst

Question 46

46. The process in which orbitals of different energies and shapes mix up with each other to give equivalent orbitals is called

Answer

Hybridization

Answer

Polymerization

Answer

Isomerisation

Answer

Carbonization

Question 47

47. Which of the following in not an organic compound?

Answer

Ammonium cyanate

Question 48

48. The use of tetra ethyl lead in petrol as an efficient antiknock agent is being discouraged. Which reason is correct?

Answer

The combustion product, lead causes air pollution

Answer

It damages the engine

Answer

Pb is difficult to obtain in bulk qualities

Answer

It is costly

Question 49

49. What hybridization is predicted for sulfur in the HSO₃¯ ion?

Question 50

50. Which statement is true regarding reactivity?

Answer

Alkenes do not undergo addition reactions

Answer

Towards the addition reaction alkenes are more reactive than alkynes

Answer

Double and is stronger than single bond hence alkenes are less reactive than alkanes

Answer

Alkene decolourize bromine solution and Baeyer’s reagents but alkynes do not

Question 51

51. Which of the following compounds contains a truple bond?

Question 52

52. Identify the hydrocarbon formed, when ethyl bromide reacts with, alcoholic KOH at 100°

Question 53

53. Wholer prepared urea from

Question 54

54. Alkanes cannot show cis-trans isomerism

Answer

0¯ bond is stronger than A-bond

Answer

Alkanes possess three groups attached to each carbon

Answer

0¯ bond required less energy to be rotated

Answer

The bond angle is 109.5°

Question 55

55. The characteristic reactions of alkanes are

Answer

Substitution reactions

Answer

Addition reactions

Answer

Condensation reactions

Answer

Polymerization

Question 56

56. The isomers which can be inter converted through rotation around a single bond are:

Answer

Conformers

Answer

Diastereomers

Answer

Enantiomers

Answer

Positional isomers

Question 57

57. In C₂H₂ carbon-carbon bond angle is

Question 58

58. Compounds of carbon and hydrogen in which the tetra valency of carbon is fully satisfied are called:

Answer

Un-saturated

Answer

Para-magnetic

Question 59

59. The demand of gasoline can be fulfilled by

Answer

Crystallization

Answer

Vapourization

Question 60

60. Petroleum is mainly a mixture of

Answer

Saturated hydrocarbons

Answer

Unsaturated hydrocarbon

Answer

Compounds of S

Question 61

61. Which one has zero octane number?

Answer

n – Heptane

Answer

n – Hexane

Answer

iso – octane

Question 62

62. Reactions of 2 – Butene with HBr gives only one products because

Answer

The molecule is asymmetrical around C – C bond

Answer

It is more stable

Answer

It is less stable

Answer

The molecule is symmetrical around C – C

Question 63

63. Which one of the following is a heterocyclic compound?

Answer

Cyclohexanol

Answer

Anthracene

Question 64

64. The next homologue of C₁₀H₂₂ will be

Answer

C₁₃H₂₈

Answer

C₉H₂₀

Answer

C₁₁H₂₄

Answer

C₁₂H₂₆

Answer 132

Domestic use

Answer 133

Sugar industry

Answer 134

Bake bricks

Answer 135

In glass industry

Answer 136

Dehydrogenation

Answer 137

Dehydration

Answer 138

Ethanoic acid

Answer 139

Tetrahedral

Answer 140

Square planer

Answer 141

Ionic properties

Answer 142

Chemical forces

Answer 143

Carbon forming long chain or rings

Answer 144

All of these

Answer 145

One s and 3 p-orbitals are involved

Answer 146

All p-orbitals are involved

Answer 147

One p-orbital is involved

Answer 148

Four p-orbitals are involved

Answer 149

Square planner

Answer 150

Triangular

Answer 151

Tetrahedral

Answer 152

Position isomerism

Answer 153

Functional group isomerism

Answer 154

Metamerism

Answer 155

Cis-trans isomerism

Answer 156

Of the order 1.5

Answer 157

3 single and 3 double

Answer 158

Double covalent

Answer 159

Single covalent

Answer 160

C₂H₂Cl₂

Answer 161

Hybrid and un hybrid orbitals

Answer 162

Hybrid orbitals

Answer 163

Atomic orbital and hybrid orbital

Answer 164

Un-hybrid orbitals

Answer 165

Carbohydrates

Answer 166

None of these

Answer 167

SiO₂+Al₂O₃

Answer 168

90° and 180°

Answer 169

120° only

Answer 170

90° and 120°

Answer 171

45° and 90°

Answer 172

Dsp²-hybridization

Answer 173

Sp²-hybridization

Answer 174

Sp³-hybridization

Answer 175

Sp-hybridization

Answer 176

Hydrogenation

Answer 177

Reforming process

Answer 178

None-reactive

Answer 179

Same molecular weights

Answer 180

The same vapour density

Answer 181

The same viscosity

Answer 182

Different molecular weights

Answer 183

Isomerization

Answer 184

Condensation

Answer 185

Polymerization

Answer 186

Shape and Type of bonding

Answer 187

Type of Bonding

Answer 188

None of these

Answer 189

Alkylation

Answer 190

Sulphonation

Answer 191

Catalytic cracking

Answer 192

Thermal cracking

Answer 193

Normal cracking

Answer 194

Stem cracking

Answer 195

ClO₃¯-tetrahedral

Answer 196

ClO₄¯ - tetrahedral

Answer 197

SO₃²¯ - pyramidal

Answer 198

NO₂¯ - trigonal palnar

Answer 199

Monocyclic

Answer 200

Heterocyclic

Answer 201

Homocyclic

Answer 202

None of these

Answer 203

Functional group

Answer 204

Structural

Answer 205

Catenation

Answer 206

None of these

Answer 207

Natural gas

Answer 208

None of these

Answer 209

None of these

Answer 210

Mostly ionic in character

Answer 211

They possess particular properties

Answer 212

Rates of reactions are very fast

Answer 213

Ethyl hydrogen sulphate

Answer 214

Methyl alcohol

Answer 215

Methyl hydrogen sulphate

Answer 216

Ethyl alcohol

Answer 217

All atoms are SP³ -hybridized

Answer 218

All atoms in the ring are carbon

Answer 219

May be other atoms

Answer 220

All atoms are SP² -hybridized

Answer 221

Neo-Pentane

Answer 222

Neo-octane

Answer 223

Sulphonation

Answer 224

Alkylation

Answer 225

9 lone pairs, no π bonds, and 6 σ bonds.

Answer 226

2 lone pairs, 3 π bonds, and 4 σ bonds.

Answer 227

8 lone pairs, 2 π bonds, and 7 σ bonds.

Answer 228

13 lone pairs, 1 π bond, and 4 σ bonds

Answer 229

CaSO₄. 0.5H₂O

Answer 230

C₆H₁₂O₆

Answer 231

(C₆H₁₀O₅)n

Answer 232

Tetrahedron

Answer 233

Methyl hydrogen sulphate

Answer 234

Methyl alcohol

Answer 235

Ethyl alcohol

Answer 236

Ethyl hydrogen sulphate

Answer 237

Metamerism

Answer 238

Position isomerism

Answer 239

Functional group isomerism

Answer 240

cis – trans isomerism

Total Questions:	119
Time Allowed:	60 Minutes
Total Marks:	119
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	Chemistry Test ECAT Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Chemistry Interview Question Answer

Fundamental Principles of Organic Chemistry Online Mcqs Test

Important Fundamental Principles of Organic Question and Answer

Chemistry Fundamental Principles of Organic Practice Test Online With Explanation

Chemistry

How to Score High in Fundamental Principles of Organic Chemistry Online Mcqs Test?

Key Preparation Tips:

More Related Resources

Malik Tahir

10 Comments

Leave a Reply Cancel reply

Important Fundamental Principles of Organic Question and Answer

Chemistry Fundamental Principles of Organic Practice Test Online With Explanation

Chemistry

How to Score High in Fundamental Principles of Organic Chemistry Online Mcqs Test?

Key Preparation Tips:

More Related Resources

Latest Updates

Malik Tahir

10 Comments

Leave a Reply Cancel reply