Question

The correct order in which the $O - O$ bond length increases is

• A. $H _{2} O < O _{2}< O _{3}$
• B. $O _{3}< H _{2} O _{2}< O _{2}$
• C. $O _{2}< O _{3}< H _{2} O _{2}$
• D. $O _{2}< H _{2} O _{2}< O _{3}$

Answer 1

Answer: (C)

Bond length of $O - O$ in $O _{2}=1.21\, \mathring{A}$
Bond length of $O - O$ in $O _{3}=1.278\, \mathring{A}$
Bond length of $O - O$ in $H _{2} O _{2}=1.49\,\mathring{A}$
Therefore, correct order of $O - O$ bond length is
$O _{2}< O _{3}< H _{2} O _{2}$