An organic compound A on reduction gives compound B which on reaction with chloroform and potassium hydroxide forms C. The compound C on catalytic reduction gives N-methylaniline. The compound A is                                                               

1. nitrobenzene

2. nitromethane

3. methylamine

4. aniline

Concept Questions :-

Nitro Compound
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Acetamide and ethyl amine can be distinguished by reacting with             

(a) aq. HCl and heat

(b) aq. NaOH and heat

(c) acidified KMnO4

(d) bromine water

Concept Questions :-

Amines - Introduction,preparation and properties
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Which of the following compound gives dye test

(1) Aniline                (2) Methylamine                  (3) Diphenylamine                  (4)Ethylamine

 

Concept Questions :-

Diazonium salts: Preparation, reactions, uses
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CH3CH2ClNaCNXNi/H2YAcetic anhydrideZ

In the above reaction sequence, Z is                                  

1. CH3CH2CH2NHCOCH3

2. CH3CH2CH2NH2

3. CH3CH2CH2CONHCH3

4. CH3CH2CH2CONHCOCH3

Concept Questions :-

Cyanides and Isocyanides
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Predict the product,                               

 

Concept Questions :-

Amines - Introduction,preparation and properties
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Aniline in a set of reactions yielded a product                                                   

The structure of the product D would be

(a) C6H5CH2NH2

(b)C6H5NHCH2CH3

(c)C6H5NHOH

(d)C6H5CH2OH

Concept Questions :-

Diazonium salts: Preparation, reactions, uses
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Intermediates formed during the reaction of RCONH2 with Br2 and KOH are                                

1. RCONHBr and RNCO

2. RNHCOBr and RNCO

3. RNHBr and RCONHBr

4. RCONBr2

Concept Questions :-

Amines - Introduction,preparation and properties
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In a reaction of aniline a colored product C was obtained.

Concept Questions :-

Diazonium salts: Preparation, reactions, uses
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Product P in the above reaction is             

Concept Questions :-

Cyanides and Isocyanides
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The final product C, obtained in this reaction

Ac2OACH2COOHBr2BH+H2OC

would be

1.                  

2.  

3.                  

4.  

 

Concept Questions :-

Amines - Introduction,preparation and properties
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