Chemistry - Complete P-block Question with Solution | TestHub

The number of reactions that give${\text{SO}}_{\text{2}}$gas:

$\text{(a)}\text{Cu}\text{+}\text{conc}{\text{. H}}_{\text{2}}{\text{SO}}_{\text{4}}\to$

$\text{(b) Zn}\text{+}\text{dil}{\text{.H}}_{\text{2}}{\text{SO}}_{\text{4}}\to$

$\text{(c) S}+{\text{H}}_2{\text{SO}}_4\to$

${\text{(d) FeS}}_{\text{2}}\text{+}{\text{O}}_{\text{2}}\to$

${\text{(e) NaHSO}}_{\text{3}}\text{+}\text{dil}{\text{.H}}_{\text{2}}{\text{SO}}_{\text{4}}\to$

$\text{(f)}{\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}\text{+}{\text{PCl}}_{\text{5}}\to$