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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceMatch the listEasyApplication

JEE Main 6 April 2024, Shift 2, Chemistry Q64

Question 64 of 90 in this shift, Chemistry question 4 of 30, Section A.

Match List - I with List - II. List - I (Reaction) (A) N2(g)+O2(g)→2NO(g)\mathrm{N_{2(g)}+O_{2(g)}\rightarrow 2NO_{(g)}} (B) 2Pb(NO3)2(s)→2PbO(s)+4NO2(g)+O2(g)\mathrm{2Pb(NO_3)_{2(s)}\rightarrow 2PbO_{(s)}+4NO_{2(g)}+O_{2(g)}} (C) 2Na(s)+2H2O(l)→2NaOH(aq.)+H2(g)\mathrm{2Na_{(s)}+2H_2O_{(l)}\rightarrow 2NaOH_{(aq.)}+H_{2(g)}} (D) 2NO2(g)+2 −OH(aq.)→NO2(aq.)−+NO3(aq.)−+H2O(l)\mathrm{2NO_{2(g)}+2\,^{-}OH_{(aq.)}\rightarrow NO_{2(aq.)}^{-}+NO_{3(aq.)}^{-}+H_2O_{(l)}} List - II (Type of redox reaction) (I) Decomposition (II) Displacement (III) Disproportionation (IV) Combination Choose the correct answer from the options given below :
  1. (1)(A)-(IV), (B)-(I), (C)-(II), (D)-(III)Official answer
  2. (2)(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
  3. (3)(A)-(III), (B)-(II), (C)-(I), (D)-(IV)
  4. (4)(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

Official answer

Option 1

NTA final key.

Same idea in other shifts

Asked 3× in all
  1. 29 Jan 2024, Shift 1 · Q63Chlorine undergoes disproportionation in alkaline medium as shown below :…EasySingle correct
  2. 31 Jan 2024, Shift 2 · Q65Given below are two statements : Statement I : S8\mathrm{S_8} solid undergoes disproportionation reaction under alkaline conditions to…MediumTwo statements

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 42 of the 174 JEE Main shifts held from 2017 to 2026.