Catalyst Absorb Before You Solve MCQs Chemical Kinetics Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Match the statements in Column I and Column II :

Column I		Column II
A.	Catalyst alters the rate of reaction	1.	Proper orientation is not there always
B.	$e^{- E_{a} / RT}$	2.	By lowering the activation energy
C.	Energetically favorable reactions are sometimes slow	3.	Total probability is one
D.	Area under the Maxwell-Boltzmann curve is constant	4.	Refers to the fraction of molecules with energy equal to or greater than the activation energy

Codes:

Subtopic: Catalyst |

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Select the correct option based on statements below:

Assertion (A):	The enthalpy of reaction remains constant in the presence of a catalyst.
Reason (R):	A catalyst participating in the reaction forms a different activated complex and lowers down the activation energy but the difference in energy of the reactant and the product remains the same.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

Subtopic: Catalyst |

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