JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyCalculation

JEE Main 29 July 2022, Shift 1, Chemistry Q62

Question 62 of 90 in this shift, Chemistry question 2 of 30, Section A.

\mathrm{N_{2(g)}+3H_{2(g)} \rightleftharpoons 2NH_{3(g)}}

20 g 5 g Consider the above reaction, the limiting reagent of the reaction and number of moles of

\mathrm{NH_3}

formed respectivly are :

(1) $\mathrm{H_2}$ , 1.42 moles
(2) $\mathrm{H_2}$ , 0.71 moles
(3) $\mathrm{N_2}$ , 1.42 molesOfficial answer
(4) $\mathrm{N_2}$ , 0.71 moles

Official answer

Option 3

NTA final key.

Chapter: Some Basic Concepts of Chemistry
Topic: Stoichiometry
Idea tested: Limiting Reagent Identification

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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.