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RCONH_2\xrightarrow[-H_2O]{x}RCN

x is 

Option: 1

SOCl_2


Option: 2

SnCl_2


Option: 3

Zn/ HCl


Option: 4

P_2O_5


Answers (1)

best_answer

As we have learned

Method of preparation of cyanide from amides -

By dehydration of acid amides with P2O5.

- wherein

RCONH_{2}\xrightarrow[-H_{2}O]{P_{2}O_{5}}RCN

 

 Cyanides are preferred from amides by dehydration of acid amides with P_2O_5.

Therefore, Option(4) is correct

Posted by

vinayak

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