Which compound present in sodium extract...

Which compound present in sodium extract prepared using thio urea, gives red colour with `FeCl_(3)`?

NaCN

`Na_2S`

NaCNS

`Na_2SO_4`

Text Solution

Verified by Experts

The correct Answer is:

`3NaCNS + FeCl_(3) rarr underset("red colur")(Fe(CNS)_3+NaCl`

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