CBSE Class 12 Chemistry 2019 Outside Delhi Set 2 Solved Paper

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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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