Standard Books Chemistry Oxidation States MCQ Question with Solution

The oxidation state of molybdenum in its oxo complex species [Mo₂O₄(C₂H₄)₂(H₂O₂)]²⁻ is

A

+2

B

+3

C

+4

D

+5

Option B

Oxidation number of Mo in [Mo₂O₄(C₂H₄)₂(H₂O₂)]²⁻ is calculated as 2x + 4(-2) + 0 + 0 = -2. Solving gives 2x - 8 = -2, hence x = +3.

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STANDARD Chemistry Oxidation States MCQ Question