Question

1. The correct order in which the 0-0 bond length increases in the following:
O H202 <02 <03
O 03<H202<02
O 03<H202< 03
O 02< 03 <H202​

Answer 1

O2<03<H202

Beacuse length is inversely proportional to bond straength and bond strength is directly propotinoal bond dissociation energy