Organic Chemistry Test 01

Total Questions: 30

1 - The ability of carbon atoms to form chains is called:

A ) isomerism
B ) catenation ✅
C ) resonance
D ) condensation

2 - Coal having 90% carbon contents is called:

A ) peat
B ) lignite
C ) anthracite ✅
D ) bituminous

3 - Main component of natural gas is:

A ) methane ✅
B ) propane
C ) butane
D ) propene

4 - The strong heating of coal in retorts the absence of air is called:

A ) fractional distillation
B ) sublimation
C ) roasting
D ) destructive distillation ✅

5 - Pitch is black residue of:

A ) coke
B ) coal tar ✅
C ) coal
D ) coal gas

6 - Natural gas is 85% methane. It is used to make:

A ) carbon black ✅
B ) coke
C ) coal tar
D ) coal gas

7 - Which one of the following does not contain starch?

A ) sugarcane ✅
B ) maize
C ) barley
D ) Potatoes

8 - Petroleum is refined by:

A ) destructive distillation
B ) fractional distillation ✅
C ) Simple distillation
D ) dry distillation

9 - In laboratory urea was prepared by:

A ) Wohler ✅
B ) Rutherford
C ) Berzelius
D ) Dalton

10 - The functional group – COOH is found in:

A ) Carboxylic acids ✅
B ) aldehydes
C ) alcohols
D ) esters

11 - Which of the following statements is not true about fossil fuels?

A ) They all contain carbon
B ) They are renewable ✅
C ) They produce pollutants when burnt
D ) The cause acid rain

12 - Which one of the following is the hardest coal?

A ) peat
B ) lignite
C ) bituminous
D ) anthracite ✅

14 - Carbonization process is the conversion of:

A ) coal into coal gas
B ) coal into wood
C ) wood into coal ✅
D ) wood into coal tar

15 - Which one of the following is a synthetic fibre?

A ) Cotton
B ) wool
C ) nylon ✅
D ) silk

16 - Which one of the following is not a fossil fuel?

A ) coal
B ) natural gas
C ) biogas ✅
D ) petroleum

17 - Which one of the following does not contain protein:

A ) pulses
B ) potatoes ✅
C ) beans
D ) eggs

18 - Conservation of dead plants into coal the action of bacteria and heat is called:

A ) carbonization ✅
B ) catenation
C ) hydrogenation
D ) cracking

19 - Who put forward the vital force theory?

A ) Berzelius ✅
B ) Wohler
C ) Dalton
D ) Lavoisier

20 - Who discarded vital force theory?

A ) Berzelius
B ) Wohler ✅
C ) Dalton
D ) Lavoisier

21 - The 1st organic compound prepared in laboratory:

A ) sodium chloride
B ) urea ✅
C ) thiourea
D ) Pyridine

22 - Who prepared acetic acid in laboratory?

A ) Berzelius
B ) Wohler
C ) Kolbe ✅
D ) Dalton

23 - The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as:

A ) organic chemistry ✅
B ) inorganic chemistry
C ) biochemistry
D ) nuclear chemistry

24 - The formula which represents the actual number of atoms in one molecule of an organic compound is called:

A ) molecular formula ✅
B ) structural formula
C ) condensed formula
D ) dot and cross formula

26 - Which one is homocyclic compound?

A ) benzene
B ) cyclobutane
C ) cyclohexane
D ) all of the above

27 - Which one is heterocyclic compound?

A ) benzene
B ) cyclobutane
C ) thiophene ✅
D ) naphthalene

28 - Silicone occurs in the form of:

A ) silica
B ) silicates
C ) both (a) & (b)
D ) none of the above

29 - Which one contains double covalent bond?

A ) pentane
B ) ethylene ✅
C ) acetylene
D ) all of the above

30 - Which one contains triple covalent bond?

A ) pentane
B ) ethylene
C ) acetylene ✅
D ) all of the above