JEE Mains · Chemistry · STD 11 - 8.3. Organic chemistry purification and characterization
The formula of the purple colour formed in Laissaigne's test for sulphur using sodium nitroprusside is ......
- A \(NaFe \left[ Fe ( CN )_{6}\right]\)
- B \(Na \left[ Cr \left( NH _{3}\right)_{2}\left( NCS _{4}\right]\right.\)
- C \(Na _{2}\left[ Fe ( CN )_{5}( NO )\right]\)
- D \(Na _{4}\left[ Fe ( CN )_{5}( NOS )\right]\)
Answer & Solution
Correct Answer
(D) \(Na _{4}\left[ Fe ( CN )_{5}( NOS )\right]\)
Step-by-step Solution
Detailed explanation
\(Na _{2} S + Na _{2}\left[ Fe ( CN )_{5} NO \right] \rightarrow Na _{4}\left[ Fe ( CN )_{5} NO _{5}\right]\)
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