The volume strength of perhydrol is

The dihedral angles in gaseous and solid phases of $H_2O_2$ molecule respectively are

Which of the following cannot be oxidised by $H_2O_2$?

What is the approximate volume (in $mL$) of $10$ vol $H_2O_2$ solution that will react completely with $1 \ L$ of $0.02 \ M \ KMnO_4$ solution in acidic medium?

Which reaction among the following gives nascent oxygen?

What is the amount of $H_2O_2$ in $gm$ present in $1 \, L$ of $1.5 \, N \, H_2O_2$ solution?