Reaction Mechanism and Rate-Determining Step

JEE Main Chemistry · Chemical Kinetics · 5 questions, latest first

• A → D is an endothermic reaction occurring in three steps (elementary). (i) A → B Δ H_i=+ve (ii) B → C Δ H_i i=-ve (iii) C → D Δ…202624 January, Shift 1 · Q57
• Reactant A converts to product D through the given mechanism (with the net evolution of heat): A → B, slow; Δ H=+ ve; B → C,…20252 April, Shift 2 · Q56
• The reaction A_2+B_2 → 2 AB follows the mechanism A_2 [k_-1]k_1 A+A (fast); A+B_2 →k_2 A B+B (slow); A+B → A B (fast) The overall…202529 January, Shift 1 · Q58
• The reaction 2 NO+Br_2 → 2 NOBr takes places through the mechanism given below: NO+Br_2 ⇔ NOBr_2 (fast); NOBr_2+NO → 2 NOBr…202312 April, Shift 1 · Q86
• Consider the following reaction that goes from A to B in three steps as shown below: Choose the correct option20236 April, Shift 2 · Q63