Sodium ethoxide reacts with ethyl iodide to yield:

1. CH3CH3

2. C2H5OCH3

3. C2H5OC2H5 

4. none of these

Subtopic:  Introduction and Physical Properties |
 85%
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Which set of reagents will produce freon (CCl2F2)?

1. C + F2 + Cl

2. CH3Cl + F

3. CCl4 + HF SbCl5

4. CCl4 + F2 

Subtopic:  Introduction and Physical Properties |
 62%
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Chloroform is kept in dark-colored bottles because:
1. It is inflammable. 2. It gives a peroxide.
3. It undergoes rapid chlorination. 4. It is oxidized to poisonous phosgene.

Subtopic:  Iodoform, Freons & DDT |
 83%
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Which statement is correct ?

(1) C2H5Br reacts with alcoholic KOH to form C2H5OH

(2) C2H5Br when treated with metallic sodium gives ethane

(3) C2H5Br when treated with sodium ethoxide forms diethyl ether

(4) C2H5Br with AgCN forms ethyl cyanide

Subtopic:  Introduction and Physical Properties |
 73%
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CH3NH2 reacts with CH3MgX to give:

(1) acetone

(2) alcohol

(3) methane

(4) ethane

Subtopic:  Introduction and Physical Properties |
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Ethylidine dichloride (CH3CHCl2) can be prepared by the addition of hydrogen chloride on:

(1) C2H6 

(2) C2H4

(3) C2H2 

(4) all of these

Subtopic:  Introduction and Physical Properties |
 56%
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The reactivity order of alkyl halides depends upon:

1. Nature of alkyl group only

2. Nature of halogen atom only

3. Nature of both alkyl group and a halogen atom

4. None of the above

Subtopic:  Chemical Properties |
 86%
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An alkyl iodide on standing darkens, due to:

1. hydrolysis

2. conversion into ether

3. liberation of iodine

4. formation of alkanes

Subtopic:  Introduction and Physical Properties |
 74%
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The given reaction is an example of,

C2H5Br + aqu. KCN → C2H5CN + KBr

1. Elimination

2. Nucleophilic substitution

3. Electrophilic substitution

4. Redox change

Subtopic:  Mechanism of Reactions |
 89%
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In the following sequences of reactions;

CH3CH2CH2Br -HBrKOH(alc.)(A)  HBr  (B) KOH(aq) (C)

the product (C) is:

(1) propene

(2) propyne

(3) propan-1-ol

(4) propan-2-ol

 

Subtopic:  Introduction and Physical Properties |
 78%
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