JEE Advanced 2020 Full Test 1 Paper 2

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Question : 28 of 54

Marks: +1, -0

Which of the following reactions are giving correct results?

NH2−CO−NH2
Br2+KOH
──────▶
NH2−NH2
Ph−CO−COOH
‌ conc. ‌H2SO4∕∆
──────▶
Ph−COOH+CO
(R)−CH3−CH(Br)COONa
NaOH
──────▶
(R)−CH3−CH(OH)COONa
Benzene +HCN
HCl∕H2O
──────▶
Benzamide

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