Analytical Chemistry Question 169
Question: For detection of sulphur in an organic compound sodium nitroprusside is added to the sodium extract. A violet colour is obtained due to formation of
Options:
A) $ Fe{{( CN )}_2} $
B) $ K_3Fe{{( CN )}_5}NS $
C) $ Na_4[ Fe{{( CN )}_5}NOS ] $
D) $ Na_4Fe{{( CN )}_6} $
Show Answer
Answer:
Correct Answer: C
Solution:
[c] $ \underset{Sodiumnitroprusside}{\mathop{Na_2S+Na_2[Fe{{(CN)}_5}NO]\xrightarrow{{}}}} $
$ \underset{Sodiumthionitroprusside}{\mathop{Na_4[ Fe{{( CN )}_5}NOS ]}} $
BETA
