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What is the oxidation number of Co in [Co(NH₃)₄Cl(NO₂)]
Options
(a) 4
(b) 3
(c) 2
(d) 5
Correct Answer:
2
Explanation:
[Co(NH₃)₄Cl(NO₂)] → x + 4 * 0 + (-1) + (-1) = 0 ⇒ x = +2. The oxidation number of cobalt in this complex is +2.
What is the oxidation number of Co in [Co(NH₃)₄Cl(NO₂)]
