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Chemistry Part-I

General Principles and Processes of Isolation of Elements

The choice of a reducing agent in a particular case depends on

Chemistry Part-I

Class 12

NCERT

Chapter 1: The Solid State

31 questions

Chapter 2: Solutions

54 questions

Chapter 3: Electrochemistry

28 questions

Chapter 4: Chemical Kinetics

40 questions

Chapter 5: Surface Chemistry

27 questions

Chapter 6: General Principles and Processes of Isolation of Elements

30 questions

Out of

C

and

CO

, which is a better reducing agent for

Z n O

The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.

Name the processes from which chlorine is obtained as a by-product. What will happen if an aqueous solution of

N a Cl

is subjected to electrolysis?

View all question

Chapter 7: The p-Block Elements

62 questions

Chapter 8: The d-and f-Block Elements

48 questions

Chapter 9: Coordination Compounds

38 questions

Question

Easy

Solving time: 1 mins

The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.

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Chemistry Part-I (NCERT)

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Text solutionVerified

For the reduction of given metal oxide to metal, consideration of thermodynamic factors helps in selecting a suitable reducing agent. Ellingham diagrams (plots of

Δ_{f} G^{o}

T

) can predict the feasibility of thermal reduction. Metals with a more negative standard free energy of formation of oxides can reduce the metal oxides with a less negative standard free energy of formation of respective oxides. Metal will reduce the oxides of other metals which lie above it in Ellingham diagram as the standard free energy change for combined redox reaction will be negative by an amount equal to the difference in

Δ_{f} G^{o}

of two metal oxides. Thus, both

A l

and

Z n

can reduce

F e O

F e

but

F e

cannot reduce

A l_{2} O_{3}

A l

Z n O

Z n

. Also,

C

can reduce

Z n O

Z n

but not

CO

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Practice more questions from Chemistry Part-I (NCERT)

Out of

C

and

CO

, which is a better reducing agent for

Z n O

The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.

Name the processes from which chlorine is obtained as a by-product. What will happen if an aqueous solution of

N a Cl

is subjected to electrolysis?

View all

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Question Text	The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.
Topic	General Principles and Processes of Isolation of Elements
Subject	Chemistry
Class	Class 12
Answer Type	Text solution:1
Upvotes	56

The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.

Text solutionVerified

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The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.

Text solutionVerified

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