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Worksheets

Hydrocarbons

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

n-propyl bromide on treating with alcoholic KOH produces

a)

Propane

b)

Propyne

c)

Propene

d)

Propanol

2.

The overlapping of orbitals in benzene is of the type

a)

sp-sp

b)

sp2-sp2

c)

sp3-sp3

d)

none of the above

3.

A dibromo derivatives of alkane react with sodium metal to form an alicyclic hydrocarbon. The derivative is

a)

2,2-dibromobutane

b)

1,1-dibromopropane

c)

1,4-dibromobutane

d)

1,2-dibromoethane

4.

Hydrocarbons are organic compound with elements

a)

Hydrogen

b)

Oxygen

c)

Carbon

d)

Both hydrogen and carbon

5.

Find out the odd one

a)

Aromatics

b)

Alkanes

c)

Alkenes

d)

Alkynes

6.

By electrolyzing potassium succinate (a)   is obtained

7.

The simplest member of organic compound is?

a)

Methanol

b)

Methane

c)

Formaldehyde

d)

Formic acid

8.

Among the following compounds the one that is most reactive towards electrophilic nitration is

a)

Toluene

b)

Benzene

c)

Benzoic acid

d)

Nitrobenzene

9.

Ethyl benzene cannot be prepared by

a)

Clemmensen reduction

b)

Wurtz reaction

c)

Wurtz-fitig reaction

d)

Friedel- crafts reaction

10.

Which branched chain isomer of the hydrocarbon with molecular mass 72u gives only one isomer of mono substituted alkyl halide ?

a)

Tertiary butyl chloride

b)

Neopentane

c)

Isohexane

d)

Neohexane