For A₂ + B₂ 2AB, E a for forward and backward reaction are 180 and 200 kJ mol ⁻¹ respectively. If catalyst lowers E a for both reaction by 100 kJ mol ⁻¹. Which of the following statement is correct?

(C) Catalyst does not alter the Gibbs energy change of a reaction.

(A) The enthalpy change for the catalysed reaction is different from that of uncatalysed reaction.

(B) The enthalpy change for the reaction is +20 kJ mol ⁻¹.

(D) Catalyst can cause non-spontaneous reactions to occur.

Chemical Kinetics: JEE Main 2025 Chemistry question

JEE Main 2025 · 4 Apr, Morning shift · Q64

JEE Main 20254 Apr, Morning shiftChemistryMediumChemical Kinetics62× since 2002

For

\mathrm{A_2 + B_2 \rightleftharpoons 2AB}

E_a

for forward and backward reaction are 180 and 200 kJ mol

^{-1}

respectively. If catalyst lowers

E_a

for both reaction by 100 kJ mol

^{-1}

. Which of the following statement is correct?