CBSE Class 12 Chemistry 2019 Outside Delhi Set 2 Solved Paper

Question : 9

Total: 27

Write structures of main compounds A and B in each of the following reactions:
(a) C6H5‌COOH‌

PCl5

──────▸

‌A‌

H2∕Pd−BaSO4

──────▸

‌B
(b) CH3‌CN‌

‌ (i) ‌CH3‌MgBr

──────▸

(ii)H3O+

‌A‌

Zn(Hg)∕‌ conc. ‌HCl

──────▸

‌B

Solution:

(a) A=C6H5‌COCl
B=C6H5‌CHO
(b) A=CH3COCH3
B=CH3CH2CH3

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