Organic chemistry MCQs

Organic chemistry MCQs

(1) The main source for an organic compound is……

a) Plants

b) Animal

c) Fossil

d) Coal

e) Desert

Answer - Click Here:
A

(2) The alkane stem tells us about the …….

a) Number of bonds

b) Number of Hydrogen atoms

c) Number of Carbon atoms

d) Number of molecules

e) Number of oxygen atoms

Answer - Click Here:
C

(3) The substance whic are basis of human life on earth is…..

a) Matter

b) Atom

c) Molecules

d) Inorganic compunds

e) Organic compounds

Answer - Click Here:
E

(4)The octane number 2 2 4-trimethyl pentane is basically……

a) 60

b) 80

c) 40

d) 100

e) 30

Answer - Click Here:
D

(5) An alkyl radical as compared to its parent alkane ,it contains…..

a) One more carbon

b) One less carbon

c) One more hydrogen

d) One less Hydrogen

e) A and C

Answer - Click Here:
D

(6) In which compound only one benzene ring is present….

a) Carboxylic

b) Aryl

c) Ketone

d) Acryl

e) Matter

Answer - Click Here:
B

(7) The Smoky flame which burn hydro carbons are known as…..

a) Alicyclic

b) Aldehyde

c) Aliphatic

d) Aromatic

e) Isomerization

Answer - Click Here:
D

(8) The carbon self linking ability is known as…..

a) Carbonation

b) Catenation

c) Sublimation

d) Oxidation

e) Hydrogenation

Answer - Click Here:
B

(9) Which moleculeb chemist can present for compax molecule is……

a) Structural formula

b) Skeletal formula

c) Molecular Formula

d) A and B

e) B and C

Answer - Click Here:
D

(10) Geometric isomerism found in……

a) Alkynes

b) Alkenes

c) Alkanes

d) Ester

e) None of these

Answer - Click Here:
B

(11) Almost how many compounds of carbon formed….

a) 65%

b) 25%

c) 95%

d) 99%

e) 10%

Answer - Click Here:
C

(12) Element which is called backbone of organic molecules…..

a) Oxygen

b) Nitrogen

c) Hydrogen

d) Carbon

e) All of these

Answer - Click Here:
D