Learn

Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyCalculation

JEE Main 8 April 2024, Shift 1, Chemistry Q63

Question 63 of 90 in this shift, Chemistry question 3 of 30, Section A.

For the given hypothetical reactions, the equilibrium constants are as follows : X⇌Y\mathrm{X\rightleftharpoons Y}; K1=1.0K_1=1.0 Y⇌Z\mathrm{Y\rightleftharpoons Z}; K2=2.0K_2=2.0 Z⇌W\mathrm{Z\rightleftharpoons W}; K3=4.0K_3=4.0 The equilibrium constant for the reaction X⇌W\mathrm{X\rightleftharpoons W} is
  1. (1)7.07.0
  2. (2)8.08.0Official answer
  3. (3)12.012.0
  4. (4)6.06.0

Official answer

Option 2

NTA final key.

Same idea in other shifts

Asked 9× in all
  1. 4 Apr 2026, Shift 1 · Q55At T(K), the equilibrium constant of A2(g)+B2(g)⇌C(g)\mathrm{A_2}(g)+\mathrm{B_2}(g)\rightleftharpoons \mathrm{C}(g) is 2.7×10−52.7\times10^{-5}. What is the…EasySingle correct
  2. 8 Apr 2026, Shift 2 · Q55Consider the following reactions in which all the reactants and products are present in gaseous state 2 xy⇌x2+y22\,xy \rightleftharpoons x_2 + y_2…MediumSingle correct
  3. 4 Apr 2024, Shift 2 · Q63The equilibrium constant for the reaction SO3(g)⇌SO2(g)+12O2(g)\mathrm{SO_3(g) \rightleftharpoons SO_2(g) + \frac{1}{2}O_2(g)} is…EasySingle correct
  4. 25 Jul 2022, Shift 2 · Q63Ka1\mathrm{K_{a_1}}, Ka2\mathrm{K_{a_2}} and Ka3\mathrm{K_{a_3}} are the respective ionization constants for the following reactions (a),…MediumSingle correct
  5. 26 Jul 2022, Shift 1 · Q86At 298 K, the equilibrium constant is 2×10152 \times 10^{15} for the reaction :…MediumNumerical value
  6. 30 Jun 2022, Shift 1 · Q64The equilibrium constant for the reversible reaction 2A(g)⇌2B(g)+C(g)2\mathrm{A(g)} \rightleftharpoons 2\mathrm{B(g)}+\mathrm{C(g)} is K1\mathrm{K_1}…EasySingle correct
  7. 4 Sep 2020, Shift 2 · Q28If the equilibrium constant for A⇌B+C\mathrm{A \rightleftharpoons B + C} is Keq(1)K_{eq}^{(1)} and that of B+C⇌P\mathrm{B + C \rightleftharpoons P}…EasySingle correct
  8. 6 Sep 2020, Shift 2 · Q44The value of Kc\mathrm{K_c} is 64 at 800 K for the reaction N2(g)+3H2(g)⇌2NH3(g)\mathrm{N_2(g)+3H_2(g)\rightleftharpoons 2NH_3(g)} The value of…EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.