Question

An organic compound X is oxidised by using acidified $K_2Cr_2O_7$ solution. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The compound X is,

• A. $2$-propanol
• B. Ethanal
• C. Ethanol
• D. $CH_3CH_2CH_3$

Answer 1

Answer: (A)

$2$-propanol

Answer 2

When is oxidised by $K _{2} Cr _{2} O _{7}$, it gives undefinedundefined (acetone) which does not show mirror test react s with phenyl hydrazine as follows: