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MolSynapse / Question bank / p-Block Elements: Groups 15 and 16 / Sulphur allotropes, SO2, sulphuric acid, oxyacids of sulphur

NEET levelSingle correct optionDifficulty 1 of 3pn148

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

A $Fe$
B $Pt$ and $Rh$
C $V X_{2} O X_{5}$
D $Ni$

Answer: C

In the contact process

2 SO X_{2} + O X_{2} 2 SO X_{3}

is carried out over vanadium(V) oxide. Fe is used in the Haber process and Pt/Rh in the Ostwald process.

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