Question:

The transition metal oxide used as a catalyst in the manufacture of sulphuric acid is

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Remember: Contact process uses \(V_2O_5\) catalyst.
Updated On: Apr 24, 2026
  • Nickel (II) oxide
  • Vanadium (III) oxide
  • Chromium (III) oxide
  • Chromium (II) oxide
  • Vanadium (V) oxide
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The Correct Option is

Solution and Explanation

Concept: In the Contact process (manufacture of sulphuric acid), a catalyst is used to convert \(SO_2\) to \(SO_3\).

Step 1:
Identify catalyst.
\[ 2SO_2 + O_2 \xrightarrow{V_2O_5} 2SO_3 \]

Step 2:
Select correct oxide.
Vanadium (V) oxide (\(V_2O_5\)) is used.
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