JEE Main 2026 Chemistry question

ChemistrySurface ChemistryJEE Main 2026

Not in JEE Main or NEET syllabus

Given below are two statements for catalytic properties of transition metals. Statement I: First row transition metals which act as catalyst utilise their 3d electrons only for formation of bonds between reactant molecules and atoms on the surface of catalyst. Statement II: There is increase in the concentration of reactants on the surface of catalyst which strengthens the bonds in reacting molecules. In the light of the above statements, choose the correct answer from the options given below:

Answer: (B)

Solution

Transition metals use both their 3d and 4s electrons for bonding at the surface (I incorrect). Adsorption increases reactant

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Question ID VK-015770