question_answer

An organic compound\[X\]is oxidized by using acidified\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The possible structure of\[X\]is

A) \[C{{H}_{3}}C{{H}_{2}}OH\]                        

B) \[C{{H}_{3}}-\underset{\begin{smallmatrix}  || \\  O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\]

C) \[{{(C{{H}_{3}})}_{2}}CHOH\]

D)        \[C{{H}_{3}}CHO\]

Correct Answer: C

Solution :

secondary alcohol                            \[(X)\]acetone Ketone (ie, acetone) reacts with phenyl hydrazine but does not give silver mirror test.