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Can someone explain - Organic Compounds Containing Nitrogen - JEE Main

In the chemical reaction, CH_{3}CH_{2}NH_{2}+CHCl_{3}+3KOH\rightarrow (A)+(B)+3H_{2}O,  the compounds (A)\; \; and\; \; (B) are respectively

  • Option 1)

    C_{2}H_{5}NC\; \; and \; \; 3\; KCl

  • Option 2)

    C_{2}H_{5}CN\; \; and \; \; 3\; KCl

  • Option 3)

    CH_{3}CH_{2}CONH_{2}\; \; and \; \; 3\; KCl

  • Option 4)

    C_{2}H_{5}NC\; \; and \; \; K_{2}CO_{3}

 
Answers (1)
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As we learnt in

carbylamnie Reaction -

Product is isocyanide & this reaction is used for the detection of primary amines.

- wherein

RNH_{2}+CHCl_{3}+3KOH\rightarrow R-NC+3KCl+3H_{2}O

                                                                                    an \:isocyanide\:(foul \:smelling)

 

 CH_{3}-CH^{_{2}}-NH_{2}+CHCl_{3}+3KOH\rightarrow C_{2}H_{5}NC(A)+3KCl(B) +3H_{2}O

 

 

 


Option 1)

C_{2}H_{5}NC\; \; and \; \; 3\; KCl

Correct

Option 2)

C_{2}H_{5}CN\; \; and \; \; 3\; KCl

Incorrect

Option 3)

CH_{3}CH_{2}CONH_{2}\; \; and \; \; 3\; KCl

Incorrect

Option 4)

C_{2}H_{5}NC\; \; and \; \; K_{2}CO_{3}

Incorrect

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