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Which of the following compound will giv...

Which of the following compound will give blood red colour while doing the Lassaigne's test:

A

`H_(2)N-overset(O)overset(||)C-NH_(2)`

B

`H_(2)N-overset(S)overset(||)C-NH_(2)`

C

`C_(6)H_(5)-SO_(3)H`

D

`CHCl_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Organic compound having `C, N` and S give blood colour in Lassaigne's test with neutral `FeCl_(3)`, due to fromation of `Fe(SCN)_(3)`.
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