Q. $Na_{2}S + Na_{2}\lbrack Fe(CN)_{5}NO\rbrack$ $\rightarrow$ Purple colour. It is due to
A) $Na_{4}\left\lbrack Fe(CN)_{3}NOS \right\rbrack$
B) $Na_{3}\left\lbrack Fe(CN)_{5}NOS \right\rbrack$
C) $Na_{4}\left\lbrack Fe(CN)_{5}NO \right\rbrack$
D) $Na_{4}\left\lbrack Fe(CN)_{5}NOS \right\rbrack$
Explanation
(d)
$Na_{2}S + Na_{2}\lbrack Fe(CN)_{5}NO\rbrack \longrightarrow {Na}_{4}\lbrack Fe(CN)_{5}NOS\rbrack$
Sodium nitroprusside sodium thio nitro
Solution prusside (purple colure)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.