What is the violet color due to, when sodium fusion extract is treated with sodium nitroprusside in the test for sulphur?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

On treating sodium fusion extract with sodium nitroprusside, appearance of a violet color due to formation of [Fe(CN)5NOS]4- indicates the presence of sulphur.

Answered by  | 4th Jun, 2014, 03:23: PM