Assertion: A catalyst is more effective in finely divided form. Reason: Finely divided form the more surface area.A. if both assertion and reason are true and the reason is the correct explanation of the assertion.B. if both assertion and reson are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If the assertion and reason both are false.

Assertion: A catalyst is more effective in finely divided form. Reason

1.	Assertion: A catalyst is more effective in finely divided form. Reason: Finely divided form the more surface area.A. if both assertion and reason are true and the reason is the correct explanation of the assertion.B. if both assertion and reson are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If the assertion and reason both are false.
Answer» Correct Answer - A A catalyst is more effective in finely divided form because finely divided form has more surface area. Therefore there is an increase in active centres on the surface.