Assertion : Transition metals are good catalysts.
Reason : $V_2O_5$ or $Pt$ is used in the preparation of $H_2SO_4$ 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 both the Assertion and Reason are incorrect.
The correct order of the first ionization enthalpies is
Stainless steel is an alloy of
Steel differs from pig iron and wrought iron in that it contains
The correct order of spin only magnetic moments for the following complex ions is
The transition element that has lowest enthalpy of atomisation is