Q89 · CSIR-NET Chemistry, December 2019

Paper: CSIR-NET December 2019 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Marks: 2 · Difficulty: Easy

The most stable vanadium species in aqueous medium is

(a)$\left[\mathrm{V}(\mathrm{H}_{2}\mathrm{O})_{5}(\mathrm{OH})\right]^{2+}$

(b)$\left[\mathrm{VO}(\mathrm{H}_{2}\mathrm{O})_{5}\right]^{2+}$

(c)$\left[\mathrm{VO}\left(\mathrm{H}_{2} \mathrm{O}\right)_{5}\right]^{+}$

(d)$\left[\mathrm{V}(\mathrm{H}_{2}\mathrm{O})_{4}(\mathrm{OH})_{2}\right]^{2+}$

Answer

Answer: B ✓ checked by 4AB · confidence high

Explanation

The vanadyl ion [VO(H₂O)₅]²⁺ is the stable V(IV) aqua species (b).

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