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AIIMS2013Chemistry-Inorganic Chemistry

AIIMS 2013 Chemistry Oxidation States MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following ion does not exist?

A

[CuI₄]²⁻

B

VO₃⁻

C

WO₄²⁻

D

CrO₄²⁻

Correct Answer

Option A

Detailed Explanation

[CuI2]- does not exist because I- being a stronger reducing agent reduces Cu2+ to Cu+.

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