Chemistry · 2017
NEET 2017 · 7 May · Code A · Q88
Mechanism of a hypothetical reaction X_2+ Y_2 → 2 XY is given below (i) X_2 → X + X (fast) (ii) X + Y_2 ⇌ XY + Y (slow) (iii) X + Y → XY (fast) The…
Mechanism of a hypothetical reaction $\displaystyle \mathrm{X}_2+\mathrm{Y}_2 \rightarrow 2 \mathrm{XY}$ is given below
(i)
$\displaystyle \mathrm{X}_2 \rightarrow \mathrm{X}+\mathrm{X}$ (fast)
(ii)
$\displaystyle \mathrm{X}+\mathrm{Y}_2 \rightleftharpoons \mathrm{XY}+\mathrm{Y}$ (slow)
(iii)
$\displaystyle \mathrm{X}+\mathrm{Y} \rightarrow \mathrm{XY}$ (fast)
The overall order of the reaction will be
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 1.5$
More from Chemical Kinetics
- For a certain reaction R → Product, the plot of concentration [R] vs time has a negative slope as shown. The order of reaction is:2026
- The correct difference between first- and second-order reactions is that2018
- The rate of a reaction quadruples when temperature changes from 27^° C to 57^° C. Calculate the energy of activation. Given R=8.314 J K^-1 mol^-1,…2024
- A first order reaction has a specific reaction rate of 10^-2 sec^-1. How much time will it take for 20 g of the reactant to reduce to 5 g?2017
- For an elementary chemical reaction, the Arrhenius plot is given below. If the energy of activation is 6.64 kJ mol^-1 and R=8.3 J K^-1 mol^-1, the…2026
- Which plot of ln k vs 1/T is consistent with Arrhenius equation?2024
- For the chemical reaction N_2( g)+3 H_2( g) ⇌ 2 NH_3( g) the correct option is:2019
- For a first order reaction A → Products, initial concentration of A is 0.1 M, which becomes 0.001 M after 5 minutes. Rate constant for the reaction…2022
NEET (UG) 2017 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.