In SN2 reactions, the correct order of reactivity for the following compounds : CH3ClCH3CH2ClCH32CHCl and CH33CCl is :

1. CH3Cl>CH32CHCl>CH3CH2Cl>CH33CCl

2. CH3Cl>CH3CH2Cl>CH32CHCl>CH33CCl

3. CH3CH2Cl>CH3Cl>CH32CHCl>CH33CCl

4. CH32CHCl>CH3CH2Cl>CH3Cl>CH33CCl

Subtopic:  Mechanism of Reactions |
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Action of RMgX with vinyl chloride gives:

1. alkane                                 

2. alkyne

3. alkene                                 

4. all of these

 

Subtopic:  Mechanism of Reactions |
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What would be the product formed when 1-bromo-3-chlorocyclobutane reacts with two equivalents of metallic sodium in ether?

1.   

2. 

3.    

4. 

Subtopic:  Mechanism of Reactions |
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Cl2 Benzotrichloride Hydrolysis Y

X and Y respectievely are:

1. benzene, benzaldehyde

2. toluene, benzaldehyde

3. toluene, benzoic acid

4. benzene, benzoic acid

 

Subtopic:  Iodoform, Freons & DDT |
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Benzene on reaction with a mixture of HNO3 and H2SO4 followed by reaction of Cl2/FeCl3 gives:

1. 3-chloro -1 -nitrobenzene

2. 2-chloro -1 -nitrobenzene

3. 4-chloro -1 -nitrobenzene

4. a mixture of 2-chloro and 4-chloro -1 -nitrobenzene

Subtopic:  Physical Properties |
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A yellow precipitate is obtained when aqueous AgNO3 is added to a solution of the compound:

1. CCl3CHO

2. CHI3

3. CHCl3 

4. C6H5CH2Cl

Subtopic:  Physical Properties |
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In the following sequences of reactions;

CH3CH2CH2IKOH(alc.)(A)Br2(B)NaNH2/NH3(C)

the end product (C) is:

1. alkene                                 

2. alkanol

3. alkyne                                   

4. alkyl amine

Subtopic:  Physical Properties |
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Which is gem dihalide?

1. CH3.CHBr2                           
2. CH2Br.CH2Br 
3. CH3.CHBr.CH2Br                   
4. None of the above

Subtopic:  Physical Properties |
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Friedel-Craft's reaction of bromobenzene with methyl iodide gives:

1. o-bromotoluene                     

2. p-bromotoluene

3. o-and p-bromotoluenes             

4. m-bromotoluene

Subtopic:  Physical Properties |
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Benzyl chloride (C6H5CH2Cl) can be prepared from toluene by chlorination with:

1. SO2Cl2

2. SOCl

3. S2Cl2

4. NaOCl2

Subtopic:  Mechanism of Reactions |
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