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chemquiz-2

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

The reaction:

CH3Br + AgF → CH3F + AgBr is called

a)

Swarts reaction

b)

Finkelstein reaction

c)

Gattermann reaction

d)

Perkin reaction

2.

The reaction:

R – Cl + KI → RI + KCl (in presence of acetone)Is known as

a)

Hunsdieker reaction

b)

Finkelstein reaction

c)

Ulmann reaction

d)

Wurtz reaction

3.

CH3CHCl2 and CH2Cl CH2Cl are examples of :

a)

Functional isomers

b)

Metamers

c)

Chain isomers

d)

Position isomers

4.

The synthesis of alkyl fluoride is best accomplished by: (JEE 2015 C)

a)

Finkelstein reaction

b)

Swarts reaction

c)

Free radical fluorination

d)

Sandmeyer’s reaction

5.

The most reactive halogen in halogenations of alkanes under sunlight

a)

F

b)

Cl

c)

Br

d)

I

6.

The most reactive halogen in halogenations of alkanes under sunlight

a)

F

b)

Cl

c)

Br

d)

I

7.

Haloalkanes are best obtained by

a)

Swartz reaction

b)

Darzzen's process

c)

Finkelstein process

d)

None of these

8.

The geminal dihalide contains halogen bonded to

a)

Different carbon atom

b)

Same carbon atom

c)

Adjacent carbon atom

d)

All the above

9.

Complete the following reaction
R-OH + PCl5  →\rightarrow  RCl + X + HCl
X is

a)

PCl3

b)

PCl5

c)

POCl3

d)

POBr3

10.

complete the following reaction
R-OH + X  →\rightarrow  RCl + SO2 + HCl

a)

SO2

b)

SOCl3

c)

SOCl2

d)

SOCl

11.

The halogenation of alkanes gives alkyl halide which are

a)

Positional isomers

b)

Chain isomers

c)

Functional isomers

d)

Metamers

12.

The IUPAC name of CH3 CH2 CH2 CH2 Br is

a)

Bromobutane

b)

Bromopropane

c)

Bromoethane

d)

Bromopentane

13.

Complete the following reaction
3R-OH + PCl3  →\rightarrow  3 R-Cl + X
The X is

a)

H2PO2

b)

H3PO4

c)

H3PO3

d)

H3PO5

14.

Alkyl halide on treatment with aqueous KOH give

a)

Acids

b)

Alcohols

c)

Aldehydes

d)

Alkanes

15.

The typical reaction of alkyl halide is:

a)

Electrophillic substitution

b)

Nucleophillic substitution

c)

Electrophillic addition

d)

Nucleophillic addition

16.

In SN1 the order of reactivity of halide is:

a)

30 > 20 > 10 > methyl

b)

Methyl > 10>20 > 30

c)

30 > 20 > methyl > 10

d)

20 > 10 > methyl > 30

17.

For a given halogen atom the reactivity is maximum for

a)

Methyl halide

b)

Primary halide

c)

Secondary halide

d)

Tertiary halide

18.

Which of the following alkyl halide is most readily undergoes hydrolysis by SN1 mechanism?

a)

CH3CH2CH2Cl

b)

CH3Cl

c)

(CH3)2 CHCl

d)

(CH3)3 CCl

19.

The compound ethylisocyanide is prepared by the reaction between:

a)

C2H5Br and KCN

b)

C2H5Br and AgCN

c)

C2H5Br and HCN

d)

C2H5Br and ammonia

20.

In SN1 type of mechanism the intermediate species is:

a)

A free radical

b)

A carbonium ion(carbo cation)

c)

A carboanion

d)

None of these

21.

Ethyl bromide on treatment with silver cyanide give :

a)

Ethyl acetate

b)

Ethyl iso cyanide

c)

Ethyl cyanide

d)

Ethyl amine

22.

Which of the following will have maximum boiling point?

a)

C3H7Br

b)

C3H7F

c)

C3H7Cl

d)

C3H7I