Find the number of chemical species which are paramagnatic in nature
O₂²⁻, NO, ClO₂, OF, B₂

Question

Find the number of chemical species which are paramagnatic in nature O₂²⁻, NO, ClO₂, OF, B₂

TestHub · Accepted Answer

To determine paramagnetism, we check for unpaired electrons using Molecular Orbital Theory (MOT).

O₂²⁻ (18 e⁻): All electrons paired. Diamagnetic.

NO (15 e⁻): One unpaired electron. Paramagnetic.

ClO₂ (19 e⁻): One unpaired electron. Paramagnetic.

OF (17 e⁻): One unpaired electron. Paramagnetic.

B₂ (10 e⁻): Two unpaired electrons. Paramagnetic.

Thus, 4 species are paramagnetic.

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