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Friday, 9 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyCalculation

JEE Main 25 July 2022, Shift 1, Chemistry Q61

Question 61 of 90 in this shift, Chemistry question 1 of 30, Section A.

SO2Cl2\mathrm{SO_2Cl_2} on reaction with excess of water results into acidic mixture SO2Cl2+2H2O→H2SO4+2HCl\mathrm{SO_2Cl_2+2H_2O\rightarrow H_2SO_4+2HCl} 1616 moles of NaOH is required for the complete neutralisation of the resultant acidic mixture. The number of moles of SO2Cl2\mathrm{SO_2Cl_2} used is :
  1. (1)1616
  2. (2)88
  3. (3)44Official answer
  4. (4)22

Official answer

Option 3

NTA final key (2022 Session 2).

Chapter
Some Basic Concepts of Chemistry
Topic
Stoichiometry
Idea tested
Mole-to-Mole Relationships

Same idea in other shifts

Asked 3× in all
  1. 31 Jan 2024, Shift 1 · Q81Number of moles of methane required to produce 22g CO2(g)\mathrm{CO_{2(g)}} after combustion is x×10−2\mathrm{x}\times10^{-2} moles. The value of…EasyNumerical value
  2. 13 Apr 2023, Shift 2 · Q811g of a carbonate (M2CO3\mathrm{M_2CO_3}) on treatment with excess HCl produces 0.01 mol of CO2\mathrm{CO_2}. The molar mass of…EasyNumerical value

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.