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JEE Main 28 July 2022, Shift 2, Chemistry Q51

Question 51 of 90 in this shift, Chemistry question 21 of 30, Section B.

2L of 0.2M

\mathrm{H_2SO_4}

is reacted with 2L of 0.1M NaOH solution, the molarity of the resulting product

\mathrm{Na_2SO_4}

in the solution is ______ millimolar. (Nearest integer )

Official answer

NTA final key.

Chapter: Some Basic Concepts of Chemistry
Topic: Mole Concept
Idea tested: Molarity of Diluted and Mixed Solutions

Same idea in other shifts

Asked 3× in all

3 Apr 2025, Shift 2 · Q5410 mL of 2 M NaOH solution is added to 20 mL of 1 M HCl solution kept in a beaker. Now, 10 mL of this mixture is poured into a volumetric…MediumSingle correct
25 Jun 2022, Shift 1 · Q851 L aqueous solution of $\mathrm{H_2SO_4}$ contains 0.02 m mol $\mathrm{H_2SO_4}$ . 50% of this solution is diluted with deionized water to…MediumNumerical 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 108 of the 174 JEE Main shifts held from 2017 to 2026.