Q. Addition of $FeCl_{3}$ to $K_{4}\lbrack Fe(CN)_{6}\rbrack$ in dilute and cold solution gives :
A) Prussian blue sol
B) $Fe_{4}\left\lbrack Fe(CN)_{6} \right\rbrack_{3}$ sol
C) Positive sol
D) All of these
Explanation
(d)
${Fe}_{4}\left\lbrack Fe(CN)_{6} \right\rbrack_{3}$ is Prussian blue sol of +ve charge.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.