CBSE Class 12 Chemistry 2019 Outside Delhi Set 2 Solved Paper

Question : 9 of 27

Marks: +1, -0

Write structures of main compounds

{\A}

and

{\B}

in each of the following reactions:
(a)

{\C}_6 {\H}_5 {\COOH} { {──────▸}}↖{ {\PCl}_5} {\A} { {──────▸}}↖{ {\H}_2 \/ {\Pd}- {\BaSO}_4} {\B}

(b)

{\CH}_3 {\CN} {──────▸}↙{ (\ii) {\H}_3 {\O}^{+}}↖{\;\text " (i) "\; {\CH}_3 {\MgBr}} {\A} {──────▸}↖{ {\Zn}( {\Hg}) \/ \;\text " conc. "\; {\HCl}} {\B}

Solution:

(a)

{\A}= {\C}_6 {\H}_5 {\COCl}

{\B}= {\C}_6 {\H}_5 {\CHO}

(b)

{\A}= {\CH}_3 {\COCH}_3

{\B}= {\CH}_3 {\CH}_2 {\CH}_3

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