What is the oxidation number of Co in [Co(NH₃)₄Cl(NO₂)]

What Is The Oxidation Number Of Co In Conhclno Chemistry Question

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.

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Topics: Coordination Compounds (87)
Subject: Chemistry (2512)

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