Q. The oxidation number of cobalt in K$\lbrack Co(CO)_{4}\rbrack$ is
A) $- 1$
B) +3
C) +1
D) $- 3$
Explanation
(a)
Oxidation state of $Co$ in K $\lbrack Co(CO)_{4}\rbrack$is
$+ 1 + x + 4 \times 0 = 0$
$x = - 1($For co)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.