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JEE Main 2022Some Basic Concepts Of Chemistry Question with Solution

From: JEE Main 2022 (Online) 30th June Morning Shift

Question

Blister copper is produced by reaction of copper oxide with copper sulphide.

2Cu2O + Cu2S 6Cu + SO2

When 2.86 103 g of Cu2O and 4.77 103 g of Cu2S are used for reaction, the mass of copper produced is _____________ g. (nearest integer)

(Atomic mass of Cu = 63.5 a.m. u, S = 32.0 a.m. u, O = 16.0 a.m. u)

Enter your answer

Show full solutionCorrect answer: 3810
Correct answer
3810

Step-by-step explanation

moles of

moles of

is limiting reagent



Mass of copper

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About this question

This is a previous-year question from JEE Main 2022, covering the Some Basic Concepts Of Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.