The oxidation number of cobalt in K[Co(C | Class 12 Chemistry Chapter Coordination Compounds, Coordination Compounds NCERT Solutions

Question:

The oxidation number of cobalt in K[Co(CO)4] is

(i) +1

(ii) +3

(iii) -1

(iv) -3

Answer:

We know that CO is a neutral ligand and K carries a charge of +1.

Therefore, the complex can be written as K+ [Co(CO)4]-. Therefore, the oxidation number of Co in the given complex is -1. Hence, option (iii) is correct.


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Comments

  • Deepesh
  • 2019-11-29 21:58:34

Lekin metal pr negative charge nhi hota hai


  • vijay
  • 2019-03-07 23:35:57

but metals won't have negative charge


Comment(s) on this Question

Welcome to the NCERT Solutions for Class 12 Chemistry - Chapter . This page offers a step-by-step solution to the specific question from Excercise 2 , Question 30: The oxidation number of cobalt in K[Co(CO)4] is (i) +1 (ii) +3 (iii) -1 (iv) -3....