" Que."13" : Catalysts are more effective in "

A catalyst is more effective in :

A catalyst has no effect on

Assertion :- Catalyst is more effective in powdered form. Reason :- Number of free valencies increase.

Assertion :- Catalyst is more effective in powdered form. Reason :- Number of free valencies increase.

Give reasons for the following: Rough surface of a catalyst is more effective than smooth surface.

Assertion: A catalyst is more effective in finely divided form. Reason: Finely divided form has more surface area.