For detection of sulphur in an organic compound sodium nitroprusside i – McqOptions

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1.	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
A.	\[Fe{{\left( CN \right)}_{2}}\]
B.	\[{{K}_{3}}Fe{{\left( CN \right)}_{5}}NS\]
C.	\[N{{a}_{4}}\left[ Fe{{\left( CN \right)}_{5}}NOS \right]\]
D.	\[N{{a}_{4}}Fe{{\left( CN \right)}_{6}}\]
Answer» D. \[N{{a}_{4}}Fe{{\left( CN \right)}_{6}}\]

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