Q47 · CSIR-NET Chemistry, June 2012

Paper: CSIR-NET June 2012 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Marks: 2 · Difficulty: Easy

Among the following the strongest oxidizing agent is:
(a)$\left[\mathrm{WO_4}\right]^{2-}$
(b)$\left[\mathrm{CrO_4}\right]^{2-}$
(c)$\left[\mathrm{MoO_4}\right]^{2-}$
(d)$\left[\mathrm{ReO_4}\right]^{2-}$
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
The +6 (or +7) state is least stable for the lightest metal of the group: CrO₄²⁻ is a much stronger oxidant than MoO₄²⁻, WO₄²⁻ or ReO₄⁻.

Study loop for Organometallic Compounds

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