JEE Main 2026 · ChemistryNumerical answerNumerical valueEasyCalculation

JEE Main 4 April 2026, Shift 2, Chemistry Q75

Question 75 of 75 in this shift, Chemistry question 25 of 25, Section B.

In sulphur estimation,

2.0\times10^{-3}

mol of an organic compound (X) (molar mass 76

\mathrm{g\ mol^{-1}}

) gave 0.4813 g of barium sulphate (molar mass 233

\mathrm{g\ mol^{-1}}

). The percentage of sulphur in the compound (X) is ________

\times10^{-1}

% (Nearest integer)

Official answer

435

NTA final key.

Chapter: Organic Chemistry: Some Basic Principles and Techniques
Topic: Stoichiometry
Idea tested: Gravimetric Precipitation Analysis

Same idea in other shifts

Asked 4× in all

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