Question

Read the following two statements
Statement I: Ionic radius of Li+ is greater than Mg++
Statement II: Lithium and magnesium can't form superoxide

• A. Both Statement I and Statement II are correct.
• B. Both Statement I and Statement II are incorrect.
• C. Statement I is correct but Statement II is incorrect.
• D. Statement I is incorrect but Statement II is correct.

Answer 1

Answer: (A)

Both Statement I and Statement II are correct.

Answer 2

The correct option is (A): (1) Both Statement I and Statement II are correct.
Radius of $Li^+=76 pm$ whereas $Mg^+$ is $72 pm$. Both Li and Mg are unable to form peroxide because of their small size.