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. Which one has zero octane number?

Answer

n – Heptane

Answer

iso – octane

Answer

n – Hexane

Question 2

2. Which one is not an organic compound

Answer

None of these

Answer

Carbohydrates

Question 3

3. 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 4

4. Bromoethane can be converted to ethane by

Answer

Reaction with alcoholic KOH

Answer

Reaction with aq KOH

Question 5

5. No lead gasoline with hygher octane number can be obtained by

Answer

Hydrogenation

Answer

Reforming process

Question 6

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

Answer

Pi bond is broken

Answer

None of these

Answer

Both bonds are broken

Answer

Sigma bond is broken

Question 7

7. Which is a mixture of low boiling hydrocarbon

Answer

Natural gas

Question 8

8. Which is the character of organic compounds

Answer

They possess particular properties

Answer

Rates of reactions are very fast

Answer

Mostly ionic in character

Question 9

9. Linear shape is shown by which compound

Answer

C₂H₂Cl₂

Question 10

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

Question 11

11. Alkanes cannot show cis-trans isomerism

Answer

Alkanes possess three groups attached to each carbon

Answer

0¯ bond is stronger than A-bond

Answer

The bond angle is 109.5°

Answer

0¯ bond required less energy to be rotated

Question 12

12. The characteristic reactions of alkanes are

Answer

Addition reactions

Answer

Polymerization

Answer

Condensation reactions

Answer

Substitution reactions

Question 13

13. A neutral molecule having the general formula AB₃ has two unshared pair of electrons on A. What is the hybridization of A?

Question 14

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

Answer

3 band pair one lone pair

Answer

1 band pair 3 lone pair

Answer

3 lone pair 1 bond pair

Answer

2 band pair 2 lone pair

Question 15

15. In Pakistan, 80% available coal is used for which purpose

Answer

In glass industry

Answer

Bake bricks

Answer

Sugar industry

Answer

Domestic use

Question 16

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

Answer

Pb is difficult to obtain in bulk qualities

Answer

The combustion product, lead causes air pollution

Answer

It is costly

Answer

It damages the engine

Question 17

17. The open chain organic compounds are called

Answer

Both A and B

Answer

Linear compounds

Question 18

18. When H₂SO₄ is heated with excess of chance of at 140°C. The major product is

Question 19

19. C₄H₈ can show isomerism

Answer

Functional group

Answer

Structural

Question 20

20. Which molecule is nonpolar?

Question 21

21. The essential component of organic compound is

Question 22

22. In benzene carbon – carbon bonds are

Answer

3 single and 3 double

Answer

Double covalent

Answer

Of the order 1.5

Answer

Single covalent

Question 23

23. Metallic ethynides are formed by the reaction of ________ with ammonical solver nitrate or ammonical cuprous chloride

Answer

Ethanoic acid

Question 24

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

Question 25

25. The carbocyclic compounds are those which have

Answer

May be other atoms

Answer

All atoms in the ring are carbon

Answer

All atoms are SP³ -hybridized

Answer

All atoms are SP² -hybridized

Question 26

26. In which molecule carbon atom is sp² hybridized

Answer

None of these

Question 27

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

Question 28

28. Unsaturated hydrocarbons containing a double bond are called

Question 29

29. The major portion of natural oil is

Question 30

30. 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 31

31. Vital force theory was rejected by

Question 32

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

Question 33

33. The F-S-F bond angles in SF₆ are ___________.

Answer

90° and 180°

Answer

90° and 120°

Answer

120° only

Answer

45° and 90°

Question 34

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

Answer

SiCl₆²¯ -trigonal bipyramidal

Answer

NH₄⁺ - tetrahedral

Answer

PH₄⁺ - tetrahedral

Answer

ClO₂ - angular

Question 35

35. Coal is obtained from dead remains of

Answer

Both a and b

Question 36

36. Which of the following has linear shape?

Answer

None of these

Question 37

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

Answer

Para-magnetic

Answer

Un-saturated

Question 38

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

Answer

Hydrogen sulphides

Question 39

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

Question 40

40. 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

Position isomers

Answer

Functional isomers

Question 41

41. The structure of benzene is

Answer

Tetrahedral

Answer

Square planer

Question 42

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

Answer

Organic compound chain compounds

Answer

They form long chain compounds

Answer

Organic compounds are water soluble

Answer

They exist in homologous series

Question 43

43. The perchloric acid molecule contains:

Answer

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

Answer

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

Answer

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

Answer

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

Question 44

44. Which statement is true regarding reactivity?

Answer

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

Answer

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

Answer

Alkenes do not undergo addition reactions

Answer

Towards the addition reaction alkenes are more reactive than alkynes

Question 45

45. Coal heated in the absence of air of about 500-1000⁰C is converted to

Question 46

46. Hybridization explain the ________ of orbitals

Answer

Shape and Type of bonding

Answer

Type of Bonding

Answer

None of these

Question 47

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

Answer

Natural gas

Question 48

48. Wholer prepared urea from

Question 49

49. The four bonds of carbon in methane are directed towards the corners of

Answer

Tetrahedron

Question 50

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

Answer

Conformers

Answer

Positional isomers

Answer

Enantiomers

Answer

Diastereomers

Question 51

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

Question 52

52. Acetylene has a characteristic ethereal smell resembling that of:

Question 53

53. Compounds have same empirical formula but different molecular formula must have

Answer

Different molecular weights

Answer

Same molecular weights

Answer

The same vapour density

Answer

The same viscosity

Question 54

54. Peat before conversion to bituminous coal is converted to

Answer

Anthracite

Question 55

55. The demand of gasoline can be fulfilled by

Answer

Crystallization

Answer

Vapourization

Question 56

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

Question 57

57. Which molecule has a linear arrangement of all component atoms?

Question 58

58. Which of the following possess linear geometry

Question 59

59. The number of isomers of C₆H₁₄ is:

Question 60

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

Answer

None of these

Answer

Only HF and OF₂

Answer

All except SO₃

Question 61

61. The functional group isomer of dimethyl –ether is

Answer

Butyl alcohol

Answer

Diethyl pether

Answer

Prophyl alcohol

Answer

Ethyl alcohol

Question 62

62. Isomerism which is only found in alkanes?

Answer

Position isomerism

Answer

Metamerism

Answer

cis – trans isomerism

Answer

Functional group isomerism

Question 63

63. In catalytic cracking, the typical catalyst used is

Answer

SiO₂+Al₂O₃

Question 64

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

Answer 119

Chain isomerism

Answer 120

Position isomerism

Answer 121

Metamerism

Answer 122

Cis – trass isomerism

Answer 123

Ethyl hydrogen sulphate

Answer 124

Ethyl alcohol

Answer 125

Methyl hydrogen sulphate

Answer 126

Methyl alcohol

Answer 127

Ethyl alcohol

Answer 128

Ethyl hydrogen sulphate

Answer 129

Methyl alcohol

Answer 130

Methyl hydrogen sulphate

Answer 131

One p-orbital is involved

Answer 132

Four p-orbitals are involved

Answer 133

One s and 3 p-orbitals are involved

Answer 134

All p-orbitals are involved

Answer 135

Two sigma and two Pi

Answer 136

One sigma and three Pi

Answer 137

Three sigma and one Pi

Answer 138

Overlap of an s and a p orbital

Answer 139

Overlap of two s orbitals

Answer 140

Sidewise overlap of two parallel p orbitals

Answer 141

Overlap of two p orbitals along their axes

Answer 142

All of these

Answer 143

Sulphonation

Answer 144

Alkylation

Answer 145

CaSO₄. 0.5H₂O

Answer 146

(C₆H₁₀O₅)n

Answer 147

C₆H₁₂O₆

Answer 148

Diethyl ether

Answer 149

Dimethyl ether

Answer 150

BF₃ - trigonal planar

Answer 151

H₂O - bent

Answer 152

AsF₅ - trigonal bipyramidal

Answer 153

NF₃ - trigonal planar

Answer 154

Carbon forming long chain or rings

Answer 155

Ionic properties

Answer 156

Chemical forces

Answer 157

C₁₃H₂₈

Answer 158

C₁₂H₂₆

Answer 159

C₁₁H₂₄

Answer 160

C₉H₂₀

Answer 161

PF₃ - pyramidal

Answer 162

H₂O – tetrahedral

Answer 163

CF₄ - tetrahedral

Answer 164

NH₃ - tetrahedral

Answer 165

Metamerism

Answer 166

Functional group

Answer 167

None of these

Answer 168

Catenation

Answer 169

None of these

Answer 170

Heterocyclic

Answer 171

Homocyclic

Answer 172

Monocyclic

Answer 173

Functional group isomerism

Answer 174

Position isomerism

Answer 175

Cis-trans isomerism

Answer 176

Metamerism

Answer 177

Sulphonation

Answer 178

Alkylation

Answer 179

It is less stable

Answer 180

The molecule is symmetrical around C – C

Answer 181

The molecule is asymmetrical around C – C bond

Answer 182

It is more stable

Answer 183

Antheracite

Answer 184

Dehydrogenation

Answer 185

Dehydration

Answer 186

Ammonium cyanate

Answer 187

In which atoms of C are in a series

Answer 188

Not in a series

Answer 189

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

Answer 190

None of these

Answer 191

None-reactive

Answer 192

Metamerism

Answer 193

Functional group isomerism

Answer 194

Chain isomerism

Answer 195

Position isomerism

Answer 196

Having different M.P.

Answer 197

Having different B.P.

Answer 198

Having different chemical properties

Answer 199

Having different physical states

Answer 200

-CHO group

Answer 201

-CH₃ group

Answer 202

+NH₂ group

Answer 203

- OH group

Answer 204

Normal cracking

Answer 205

Thermal cracking

Answer 206

Catalytic cracking

Answer 207

Stem cracking

Answer 208

Ionic complex

Answer 209

Functional group

Answer 210

Homologous series

Answer 211

Chemical bonding

Answer 212

Hybrid and un hybrid orbitals

Answer 213

Hybrid orbitals

Answer 214

Un-hybrid orbitals

Answer 215

Atomic orbital and hybrid orbital

Answer 216

C, H, O and N only

Answer 217

C, H, and O only

Answer 218

C and S only

Answer 219

C and H only

Answer 220

Cyclohexanol

Answer 221

Anthracene

Answer 222

Polymerization

Answer 223

Condensation

Answer 224

Isomerization

Answer 225

Neo-octane

Answer 226

Neo-Pentane

Answer 227

NO₂¯ - trigonal palnar

Answer 228

ClO₄¯ - tetrahedral

Answer 229

SO₃²¯ - pyramidal

Answer 230

ClO₃¯-tetrahedral

Answer 231

Sp²-hybridization

Answer 232

Sp³-hybridization

Answer 233

Sp-hybridization

Answer 234

Dsp²-hybridization

Answer 235

Triangular

Answer 236

Tetrahedral

Answer 237

Square planner

Answer 238

Saturated hydrocarbons

Answer 239

Compounds of S

Answer 240

Unsaturated hydrocarbon

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