Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

Formation of purple colour on the addition of sodium nitroprusside to sodium carbonate extract indicates the presence of

(a) $PO_4^{3-}$
(b) $SO_3^{2-}$
(c) $S^{2-}$
(d) $S_2O_3^{2-}$
Can you answer this question?

1 Answer

0 votes
Answer: $S^{2-}$
$Na[(CN)_5NO]$ (Sodium nitroprusside) $ + Na_2S \xrightarrow{\Delta} Na_4[(CN)_5NOS]$ (Sodium thionitroprusside, violet purple)
answered Feb 1, 2014 by mosymeow_1

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App