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 |
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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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Chloroform on reduction with Zn and HCl (alc.) gives:-

1. formic acid

2. chloretone

3. chloropicrin

4. methylene dichloride

Subtopic:  Iodoform, Freons & DDT |
 52%
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Westrosol is:-

(1) acetylene tetrachloride

(2) acetylene dichloride

(3) trichloroehyne

(4) 1,1,2-trichloroethene

Subtopic:  Iodoform, Freons & DDT |
 55%
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Reagent not used to prepare an alkyl halide from an alcohol is:

(1) HCl+ ZnCl2

(2) NaCl

(3) PCl5

(4) SOCl2

 

Subtopic:  Introduction and Physical Properties |
 84%
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Most readily hydrolysed halide is:-

(1) C6H5Cl

(2) (C6H5)2CHCl

(3) C6H5CH2Cl

(4) (C6H5)3CCl

Subtopic:  Introduction and Physical Properties |
 69%
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CCl4 is insoluble in water because:-

(1) water is non-polar

(2) CCl4 is non-polar

(3) water and CCl4 are polar

(4) none of the above

Subtopic:  Iodoform, Freons & DDT |
 86%
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In the reaction,

CH3CC¯Na+ +(CH3)2CHCl            ...............

the product formed is:

(1) 4-Methylpent-2-yne

(2) propyne

(3) propyne and propene

(4) none of these

 

Subtopic:  Introduction and Physical Properties |
 80%
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Chloral is:

1. CCl3 CHO

2. CCl3COCH3

3. CCl3CO-CCl3

4.  CCl3CH2OH

Subtopic:  Introduction and Physical Properties |
 74%
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Which process does not occur during formation of CHCl3 from C2H5OH and bleaching powder?

1. Hydrolysis

2. Oxidation

3. Elimination

4. Chlorination

Subtopic:  Chemical Properties |
 51%
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