NEET Chemistry Amines Questions Solved


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                                                                                            

(a) nitrobenzene

(b) nitromethane

(c) methylamine

(d) aniline

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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

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Which of the following compound gives dye test

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

 

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CH3CH2ClNaCNXNi/H2YAcetic anhydrideZ

In the above reaction sequence, Z is                                  

(a) CH3CH2CH2NHCOCH3

(b) CH3CH2CH2NH2

(c) CH3CH2CH2CONHCH3

(d) CH3CH2CH2CONHCOCH3

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In the reaction, 

CH3CN +2H SnCl2HClXBoiling H2O  Y ,

the term Y is

(a) acetone

(b) ethanamine

(c) acetaldehyde

(d) dimethyl amine

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Predict the product,                               

 

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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

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Intermediates formed during the reaction of RCONH2 with Br2 and KOH are                                

(a) RCONHBr and RNCO

(b) RNHCOBr and RNCO

(c) RNHBr and RCONHBr

(d) RCONBr2

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In a reaction of aniline a colored product C was obtained.

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Which one of the following on reduction with LiAlH4 yields a secondary amine?                   [2007]

(a) Methyl isocyanide

(b) Acetamide

(c) Methyl cyanide

(d) Nitroethane

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