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Question

In Ellingham diagram, the slope of the curve of the formation metal oxide

A
Is mostly +ve
B
Is mostly -ve
C
Depends on the type of metal
D
Depends on the formula of metal oxide
Solution
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Correct option is B. Is mostly -ve

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Similar Questions
Q1
Given below are two statements:
Statement I : According to the Ellingham diagram, any metal oxide with higher ΔG is more stable than the one with lower ΔG.
Statement II : The metal involved in the formation of oxide placed lower in the Ellingham diagram can reduce the oxide of a metal placed higher in the diagram.

In the light of the above statements, choose the most appropriate answer from the options given below:
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Q2

In the Ellingham diagram for oxides, the general trend for the graphs for metal to metal oxide is


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Q3

Based on the above Ellingham diagram, the formation of carbon monoxide from carbon can reduce the metal oxide to metal at a temperature _______ the point of intersection of the two lines.
1. Equal to
2. Higher than
3. Lower than
4. None
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Q4
Described the thermodynamic principle of metallurgy. How the Ellingham diagram useful in predicting the feasibility of thermal reduction of a metal oxide.
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Q5
Consider the following Ellingham diagram for oxides.

Below \(800^oC\), which metal can reduce \(MgO\) ?

°C Temperature (°C)—> 800
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