$SO_2$ can be converted into $SO_3$ with the help of:

Oxygen does not react directly with which of the following?

Explain the nature of oxides of group-$16$ elements. Write a note on halide compounds of group-$16$ elements. Write a note on hydride compounds of group-$16$ elements.

The bond dissociation energy of the $E-H$ bond in the $H_2E$ hydrides of group $16$ elements (where $E = O, S, Se, Te$) follows which order?

Which of the following oxyacids of sulphur contains both $S=S$ and $S=O$ bonds?

The catalyst used in the contact process for the manufacturing of sulphuric acid is