JEE Main 2021ChemistryGeneral Principles and Processes of Isolation of MetalsEasyMCQ

JEE Main 2021 — General Principles and Processes of Isolation of Metals Question with Solution

JEE Main 2021 (25 Feb Shift 1)

Question

Ellingham diagram is a graphical representation of :

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Show full solutionCorrect option: D
Correct answer
DΔG vs T

Step-by-step explanation

Ellingham diagram is a graphical representation of ΔG vs T when metal heated with oxygen to form metal oxide.

An Ellingham diagram is a graph showing the temperature dependence of the stability for compounds. This analysis is usually used to evaluate the ease of reduction of metal oxides and sulphides.

Ellingham diagram represents change in free energy ΔG with temperature

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About this question

This is a previous-year question from JEE Main 2021, covering the General Principles and Processes of Isolation of Metals 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.