Q. The oxidation number of platinum in $\left\lbrack Pt\left( {NH}_{3} \right)_{5}Cl \right\rbrack{Cl}_{3}\$is

A) 2
B) 3
C) 4
D) 6
Explanation

(c)
Let the ON of Pt in$\left\lbrack Pt\left( {NH}_{3} \right)_{5}Cl \right\rbrack{Cl}_{3}$ is x.
x +5$\times$(0)$-$1 $-$3=0
x $-$4=0
x=+4

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.