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Chloroform + Base Reaction with Amines

The reaction ...

Question

The reaction of $Q$ with $P h S N a$ yields an organic compound (major product) that gives positive Carius test on treatment with $N a_{2} O_{2}$ followed by addition of $B a C l_{2}$ . The correct option(s) for $Q$ is/are:

A

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B

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C

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D

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Solution

The correct option is D
In option (b) and (c), $N O_{2}$ group (an EWG) is not present at ortho or para position w.r.t. the leaving group, so $A r S N 2$ reaction will not be possible.

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Similar questions

Q. The reaction of

Q

P h S N a

yields an organic compound (major product) that gives positive Carius test on treatment with

N a_{2} O_{2}

followed by addition of

B a C l_{2}

. The correct option(s) for

Q

Q. The reaction of compound P with

C H_{3} M g B r

(C_{2} H_{5})_{2} O

followed by addition of

H_{2} O

gives Q. The compound Q on treatment with

H_{2} S O_{4}

0^{\circ} C

gives R. The reaction of R with

C H_{3} C O C l

in the presence of anhydrous

A l C l_{3}

C H_{2} C l_{2}

followed by treatment with

H_{2} O

produces compound S [Et in compound P is ethyl group]

The product S is:

Q. An organic compound

A (C_{8} H_{6})

gives brick red precipitate with ammoniacal solution of

C u_{2} C l_{2}

. A on treatment with ammoniacal solution of

H g S O_{4}

B (C_{8} H_{8} O)

, B gives positive iodoform test B can also be prepared by the reaction of benzene with acetic anhydride in presence of

A l C l_{3}

identify A and B.

Q. Which of the following compound on treatment with

L i A l H_{4}

will give a product that will give positive iodoform test ?

Q. A carbonyl compound P, which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin Q. Ozonolysis of Q leads to a dicarbonyl compound R, which undergoes intra-molecular aldol reaction to give predominantly S.

The structures of the products S, is

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Chloroform + Base Reaction with Amines

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