Question

The catalyst preferred in contact process is ______.

विकल्प

• Pt

• V₂O₅

• Fe

• H₂S

Answer 1

The catalyst preferred in contact process is `bbunderline(V_2O_5)`.

Explanation:

In the Contact process, vanadium(V) oxide (V₂O₅) is the preferred catalyst for oxidising sulphur dioxide to sulphur trioxide.

\[\ce{2SO2 + O2 ⇔[V2SO5] 2SO3}\]