Which of the following compounds are paramagn | vedclass

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(D) Paramagnetism is observed in species containing unpaired electrons. Superoxides $(O_2^-)$ contain one unpaired electron in their antibonding molec

Vedclass · Accepted Answer

Both $(A)$ and $(C)$

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(D) Paramagnetism is observed in species containing unpaired electrons. Superoxides $(O_2^-)$ contain one unpaired electron in their antibonding molecular orbital,making them paramagnetic.$A$) $KO_2$ contains the superoxide ion $(O_2^-)$,which has an unpaired electron. Thus,it is paramagnetic.$B$) $K_2O_2$ contains the peroxide ion $(O_2^{2-})$,where all electrons are paired. Thus,it is diamagnetic.$C$) $RbO_2$ contains the superoxide ion $(O_2^-)$,which has an unpaired electron. Thus,it is paramagnetic.Therefore,both $KO_2$ and $RbO_2$ are paramagnetic. The correct option is $(D)$.

Column $-I$	Column $-II$
$(a)$. Super oxide	$(p)$. $Na_2O_2$
$(b)$. Peroxide	$(q)$. $CO_2$
$(c)$. Dioxide	$(r)$. $C_3O_2$
$(d)$. Sub oxide	$(s)$. $CsO_2$

Which of the following compounds are paramagnetic in nature?

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Match Column $-I$ with Column $-II$ :

Column $-I$ Column $-II$

$(a)$. Super oxide $(p)$. $Na_2O_2$

$(b)$. Peroxide $(q)$. $CO_2$

$(c)$. Dioxide $(r)$. $C_3O_2$

$(d)$. Sub oxide $(s)$. $CsO_2$

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