M2O3 (sesquoxides) is paramagnetic in nature. It is due to presence of :
A
peroxide ion.
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B
superoxide ion.
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C
oxide ion.
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D
all of these.
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Solution
The correct option is B superoxide ion. sesquoxides is paramagnetic in nature due to presence of superoxide ion. superoxide ion have one unpaired electron so it is paramagnetic.