Consider the following reaction,



The product is :

1. a primary amine

2. a tertiary amine

3. a secondary amine

4. a quaternary ammonium salt

Subtopic:  Introduction and Physical Properties |
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Br                  Br
 l                    l   
CH2-CH=CH-CH2(A)
                       Zn(dust)

Above reaction is an example of 1,4-elimination.Predict the product.
(1) CH3-CH=C=CH2

(2) CH3-CC-CH3
(3) CH3-CH2-CCH
(4) H2C=CH-CH=CH2

Subtopic:  Introduction and Physical Properties |
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Which is the major product expected from the following SN2 reaction?

1.      

2.     

3.     

4.    

Subtopic:  Mechanism of Reactions |
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           CH3
           |
CH3CCH3
           |
          Br
        (a)

CH3-CH-CH3
         l
        Br
        (b)   

CH3-CH-Br     
       (c)

Compare rate of E2 reaction:-
(1)c>b>a

(2)a>b>c

(3)b>a>c

(4)c>a>b
           

Subtopic:  Mechanism of Reactions |
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Which is the major product of the following reaction?

 H2O
heatNaOH Product

1. 

2. 

3. 

4. 

Subtopic:  Introduction and Physical Properties |
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1-2-dichloro ethane + NaSCH2CH2SNa  P (C4H8S2

Unknown product (p) of the above reaction is:

1. 

2. 

3. H-S-CH=CH-CH=CH-S-H

4. H-CH=CH-CH2-S-H

Subtopic:  Introduction and Physical Properties |
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Moist Ag2O (A) product

Major product (A) is:

1.  

2. 

3. 

4. 

Subtopic:  Mechanism of Reactions |
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 KCN  Product of reaction is:

 (MOM chloride)

(Methoxy methyl chloride)

1. 

2. 

3.  Me-O-CH2-CH2-CN   

4. CN -CH2-CN         

Subtopic:  Mechanism of Reactions |
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Alkyl halides can be obtained by all methods except:

1. CH3CH2OH +HCl/ZnCl2            

2. CH3-CH2-CH3-CH2 Cl2/UV light

3. C2H5OH +NaCl           

4. CH3COOAg + Br2/CCl4           

 

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In order to prepare 1-chloropropane, which of the following reactants can be employed?
(1) Propane and HCl in the presence of peroxide

(2) Propene and Cl2 followed by treatment with aq. KOH

(3) Propanol-1 and SOCl2/pyridine

(4) Any of the above can be used

Subtopic:  Mechanism of Reactions |
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