Assertion: Transition metals are good catalysts. Reason: V2O5 or Pt is used in the preparation of H2SO4 by contact process.

Question

Assertion: Transition metals are good catalysts. Reason: V2O5 or Pt is used in the preparation of H2SO4 by contact process. (A) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. (B) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion. (C) If the Assertion is correct but Reason is incorrect. (D) If the Assertion is incorrect and Reason is correct.

Tardigrade Admin · Accepted Answer

Due to larger surface area and variable valencies to form intermediate absorbed complex easily, transition metals are used as catalysts.

Q. Assertion : Transition metals are good catalysts. Reason : V2​O5​ or Pt is used in the preparation of H2​SO4​ by contact process.

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

If the Assertion is correct but Reason is incorrect.

If the Assertion is incorrect and Reason is correct.

Due to larger surface area and variable valencies to form intermediate absorbed complex easily, transition metals are used as catalysts.

Q. Assertion : Transition metals are good catalysts.
Reason : $V_{2} O_{5}$ or $Pt$ is used in the preparation of $H_{2} S O_{4}$ by contact process.