NEET Chemistry Redox Reactions Questions Solved


Oxidation number of cobalt in K[Co(CO)4] is [KCET 1996]

(1) + 1

(2) + 3

(3) – 1

(4) – 3

(3) K[Co(CO)4]

1+x+0=0;  x=−1

Difficulty Level:

  • 14%
  • 20%
  • 63%
  • 5%