Q. Which one of the following forms with an excess of $CN^{-}$(cyanide) a complex?
A) $Cu^{+}$
B) $Ag^{+}$
C) $Ni^{2 +}$
D) $Fe^{2 +}$
Explanation
(b)
$Ag^{+}\$has two coordination number forms complex with excess of $CN^{-},ie\ Ag(CN)_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.