Order of nucleophilicity in polar protic solvent is

1. I->Br->F->Cl-

2. F->Cl->Br->I-

3. I->Cl->F->Br-

4. I->Br->Cl->F-

Subtopic:  Mechanism of Reactions |
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Phenylmagnesium bromide reacts with methanol to give

1. A mixture of toluene and Mg(OH)Br

2. A mixture of phenol and Mg(Me)Br

3. A mixture of anisole and Mg(OH)Br

4. A mixture of benzene and Mg(OMe)Br

Subtopic:  Introduction and Physical Properties |
 50%
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Debromination of meso-dibromobutane gives mainly

1. n-Butane

2. 1-Butene

3. cis-2-Butene

4. trans-2-Butene

Subtopic:  Mechanism of Reactions |
 55%
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Benzoylchloride is prepared from benzoic acid by 

1. Cl2, hv                           

2. SO2Cl2

3. SOCl2                         

4. Cl2H2O

Subtopic:  Introduction and Physical Properties |
 80%
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Which haloarenes is most reactive towards electrophilic subsititution reaction?

1. 2.
3. 4.
Subtopic:  Mechanism of Reactions |
 62%
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Which nitro derivative of haloarene is most reactive towards nucleophilic substitution reaction?

1. 

 2.

 3. 

4.

Subtopic:  Introduction and Physical Properties |
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The products of reaction of alcoholic silver nitrite with ethyl bromide are :

1. Ethane

2. Ethene

3. Ethyl alcohol

4. Nitroethane

 

Subtopic:  Introduction and Physical Properties |
 55%
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The correct order of solvolysis in the following alkyl halide is

1.   >  CH2=CH-CH2Cl  >  CH3CH2CH2Cl

 

 

2.   CH2=CH-CH2Cl     >   >  CH3CH2CH2Cl

 

 

3.   CH3CH2CH2Cl  >   CH2=CH-CH2Cl    >    

 

 

4.  CH2=CH-CH2Cl  >   CH3CH2CH2Cl   >     

Subtopic:  Mechanism of Reactions |
 54%
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Butanenitrile may be prepared by heating-

1. Propyl alcohol with KCN

2. Butyl chloride with KCN

3. Butyl alcohol with KCN

4. Propyl chloride with KCN

Subtopic:  Chemical Properties |
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Arrange the following alkyl halides in the decreasing order of SN1 reactivity

(I) CH3CH2CH2Cl

(II) CH2=CHCH(Cl)CH3

(III) CH3CH2CH(Cl)CH3

1. I>II>III                            2. II>I>III

3. II>III>I                            4. III>II>I

Subtopic:  Mechanism of Reactions |
 73%
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