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JEE Main 13 April 2023, Shift 2, Chemistry Q90

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

0.400 g of an organic compound (X) gave 0.376 g of AgBr in Carius method for estimation of bromine. % of bromine in the compound (X) is ______ . (Given: Molar mass AgBr = 188 g mol

^{-1}

Br = 80 g mol

^{-1}

)

Official answer

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.