Which is set of paramagnetic molecules or ions

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4.Chemical Bonding and Molecular Structure

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Which is set of paramagnetic molecules or ions

A

$NO, NO_2, O_2^{2+}, O_2^{ 2-}$

B

$O_2^+, O_2^ -, NO, NO_2$

C

$C_2, B_2, O_2, S_2$

D

$B_2, N_2, O_2, O_2^-$

Solution

Odd $e^-$ species always paramagnetic

Standard 11

Chemistry

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