Which one of the following complexes is violet in colour ? fuEufyf[kr ladqyksa esa ls fdl ,d dk jax cSaxuh gS \ (A) Fe4[Fe(CN)6]3.H2O (B) [Fe(CN)5NOS]4– (C) [Fe(CN)6]4– (D) [Fe(SCN)6]4–

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Question

Which one of the following complexes is violet in colour ? fuEufyf[kr ladqyksa esa ls fdl ,d dk jax cSaxuh gS \

(A) Fe4[Fe(CN)6]3.H2O
(B) [Fe(CN)5NOS]4–
(C) [Fe(CN)6]4–
(D) [Fe(SCN)6]4–

Prashant Kotian · Accepted Answer

Correct answer: B. S2– + Na2[Fe(CN)5(NO)+]   Na4[Fe(CN)5(NOS)] Sodium nitroprusside Violet colour

💡 Solution & Explanation