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C6 H5CH3 to C6H5CHO . Which one of the f...

` C_6 H_5CH_3 to C_6H_5CHO . `Which one of the following reagents are not suitable for the conversion ?

A

treating with alkaline `KMnO_4 ` and heating

B

reaction with ` CrO_2 Cl_2 ` followed by hydrodysis.

C

reaction with `CrO_3 "in" (CH_3 CO)_2 O` followed by hydrosis.

D

both (2) and (3)

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The correct Answer is:
A
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