Assertion :Superoxides of alkali metals are paramagnetic. Reason: Superoxides contain O2 ion which has one unpaired electron.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion Superoxide of alkali metals are paramagnetic as superoxide ion O−2 has three electron bonds i.e. it has one unpaired electron which makes it paramagnetic.