JEE Main 20198 AprilMorning Shift

Exam: JEE Main
Year: 2019
Date: 8 April
Shift: Morning Shift
Subject: Chemistry
Chapter: General Principles and Processes of Isolation of Metals

JEE Main 2019 · 8 April · Morning Shift · Chemistry · General Principles and Processes of Isolation of Metals

Which respect to an ore, Ellingham diagram helps to predict the...

Which respect to an ore, Ellingham diagram helps to predict the feasibility of its

Options

AElectrolysis
BZone refining
CVapour phase refining
DThermal reduction

Correct answer

D. Thermal reduction

Step-by-step solution

Ellingham diagram is a graph showing temperature dependence of the stability of compounds. This analysis is used to evaluate the case of Reduction of metal oxides and sulphides. This diagram also used to predict the equilibrium temperature between a metal and its oxide.
Which respect to an ore, Ellingham diagram helps to predict the feasibility of its

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