Question

$Li$ does not form stable peroxide because:

• A. of its small size
• B. d-orbitals are absent in it
• C. it is highly recative and form superoxide instead of peroxide
• D. covalent nature of peroxide

Answer 1

The correct option is A of its small size

Lithium has small atomic size. hence it does not form stable peroxide. Instead it forms monoxide (${Li}_{2}O$).