NEET Chemistry Redox Reactions Questions Solved


What is the oxidation number of Co in [Co(NH3)4ClNO2] [BHU 1999]

(1) + 2

(2) + 3

(3) + 4

(4) + 5

(1) [Co   (NH3)4ClNO2]

x+4(0)+1(1)+1(1)=0

x+011=0

x – 2 = 0; x = +2.

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