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Assertion (A): Sodium reacts with oxygen...

Assertion (A): Sodium reacts with oxygen to form `Na_(2)O_(2)` whereas potassium reacts with oxygen to form `KO_(2)`.
Reason (R ): Potassium is more reactive than sodium.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for statement-1.

B

Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for statement-1.

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

Text Solution

Verified by Experts

The correct Answer is:
b
Correct explanation . Due to bigger size of `K^(+)` than `Na^(+)`, it has a weak positive field around it which cannot prevent peroxide ion `(O_(2)^(2-))` to combine with another oxygen atom to form superoxide , `O_(2)^(-)` .
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