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General Principles and Processes of Isolation of Elements

Thermodynamic Principles of Metallurgy

{Statement-1} Magnesium oxide can be reduced by carbon but it

Question

Medium

Solving time: 3 mins

$Statement - 1$
Magnesium oxide can be reduced by carbon but it should be followed by rapid cooling.
and
$Statement - 2$
All metals can be reduced by carbon at a temperature characteristic of the metal.

Statement

- 1

is True, Statement

- 2

is True; Statement

- 2

is a correct explanation for Statement

- 1

Statement

- 1

is True, Statement

- 2

is True; Statement

- 2

is NOT a correct explanation for Statement

- 1

Statement

- 1

is True, Statement

- 2

is False

Statement

- 1

is False, Statement

- 2

is True

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IIT JEE Super Course in Chemistry: Inorganic Chemistry (Pearson)

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Lucas Discussed

Statement - 1

Magnesium oxide can be reduced by carbon but it should be followed by rapid cooling.
and

Statement - 2

All metals can be reduced by carbon at a temperature characteristic of the metal.

14 mins ago

Discuss this question LIVE

14 mins ago

Text solutionVerified

In the Ellingham diagram, all the metal metal oxide lines slope upwards while the

C

CO

line slopes downwards. So at a certain temperature the lines would meet and the metal oxide can be reduced with carbon.

MgO

can be reduced with carbon, but this happens at

200 0^{\circ} C

. Which is higher than the melting point of magnesium, hence it has to be cooled rapidly.

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Question Text	$Statement - 1$ Magnesium oxide can be reduced by carbon but it should be followed by rapid cooling. and $Statement - 2$ All metals can be reduced by carbon at a temperature characteristic of the metal.
Topic	General Principles and Processes of Isolation of Elements
Subject	Chemistry
Class	Class 12
Answer Type	Text solution:1
Upvotes	112

$Statement - 1$
Magnesium oxide can be reduced by carbon but it should be followed by rapid cooling.
and
$Statement - 2$
All metals can be reduced by carbon at a temperature characteristic of the metal.

Text solutionVerified

Practice questions from IIT JEE Super Course in Chemistry: Inorganic Chemistry (Pearson)

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Statement−1Magnesium oxide can be reduced by carbon but it should be followed by rapid cooling.andStatement−2All metals can be reduced by carbon at a temperature characteristic of the metal.

Text solutionVerified

Practice questions from IIT JEE Super Course in Chemistry: Inorganic Chemistry (Pearson)

Practice more questions from General Principles and Processes of Isolation of Elements

Practice questions on similar concepts asked by Filo students

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$Statement - 1$
Magnesium oxide can be reduced by carbon but it should be followed by rapid cooling.
and
$Statement - 2$
All metals can be reduced by carbon at a temperature characteristic of the metal.