JEE Main 2022 · 26 Jun · Shift 1 · Chemistry Q86

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ChemistryInteger+4 / -1Question 86 of 90

The spin-only magnetic moment value of the most basic oxide of vanadium among $\mathrm{V_2O_3}$ , $\mathrm{V_2O_4}$ and $\mathrm{V_2O_5}$ is ______ B.M. (Nearest integer)

Your answer

Answer and worked solution

Official answer: 3

Most basic oxide is the one with the lowest oxidation state: $\mathrm{V_2O_3}$ , with $\mathrm{V^{3+}}$ ( $d^2$ ).

Moment. $\sqrt{2(2+2)}=\sqrt8\approx2.83\approx3$ BM.

Answer: 3

Topics:Transition element properties

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JEE Main 2022 · 26 Jun · Shift 1, Chemistry question 86