Basics of Organic Chemistry AFCAT Questions

AFCAT Chemistry

Basics of Organic Chemistry MCQ Questions


7.

How many structural isomers are possible for C5H12?

A.

4

B.

2

C.

3

D.

5

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ANSWER :

C. 3

8.
Which alkane is also called neopentane?
A.
2-Methylbutane
B.
3-Methylpentane
C.
2,2-Dimethylpropane
D.
n-Pentane
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ANSWER :
C. 2,2-Dimethylpropane
9.
Alkanes are also known as:
A.
Paraffins
B.
Acetylenes
C.
Olefins
D.
Aromatics
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ANSWER :
A. Paraffins
10.
Which type of reaction is typical of alkanes?
A.
Elimination reaction
B.
Polymerisation
C.
Substitution reaction
D.
Addition reaction
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ANSWER :
C. Substitution reaction
11.

What is the general molecular formula of alkenes?

A.

CnH2n-2

B.

CnH2n+2

C.

CnH2n+1

D.

CnH2n

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ANSWER :

D. CnH2n

12.

The hybridisation of carbon atoms involved in C=C double bond is:

A.

sp3d

B.

sp

C.

sp3

D.

sp2

😑 View Answer Rough Work Error
ANSWER :

D. sp2