Multiple choice

Assertion (A) The superoxide MO2 contains the paramagnetic ion O-2. Reason (R)O-2 is stable in presence of large cations as K, Rb, Cs.

  1. Both (A) and (R) are true and (R) is the correct explanation of (A).

  2. Both (A) and (R) are true but (R) is not the correct explanation of (A).

  3. (A) is true but (R) is false.

  4. (A) is false but (R) is true.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

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