Question

Excess of oxygen in the contact process leads to increased production of ______.

Options

• sulphur dioxide

• sulphur trioxide

• sulphur

• Both sulphur dioxide and sulphur trioxide

Answer 1

Excess of oxygen in the contact process leads to increased production of sulphur trioxide.

Explanation:

According to Le Chatelier's principle, adding an excess of a reactant (oxygen) shifts the reversible chemical equilibrium forward, increasing the yield of the product (SO₃).