Question

In the preparation of sulphuric acid, V₂O₅ is used in the reaction, which is
(a) $S + O_2 \longrightarrow SO_2$
(b) $SO_2 + H_2O \longrightarrow H_2SO_4$
(c) $2SO_2 +O_2 \longrightarrow 2SO_3$
(d) $N_2 + 3H_2 \longrightarrow 2NH_3$

Answer 1

In conversion of SO2 to SO3 valadium pentaoxide  V2O5 is used .