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Test: Balancing of redox reactions, Types of redox reactions - JEE MCQ


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10 Questions MCQ Test Chemistry for JEE Main & Advanced - Test: Balancing of redox reactions, Types of redox reactions

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Test: Balancing of redox reactions, Types of redox reactions - Question 1

Which of the following represents a redox reaction?

Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 1
(a) and (b) are neutralisation reactions. The oxidation state of is in both reactant
and product, and ion does not change. In option (d) is a redox reaction.
(Oxidation)
(Reduction)
Test: Balancing of redox reactions, Types of redox reactions - Question 2

In the disproportionation reaction , the equivalent mass of the oxidizing agent is (molar mass of )

Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 2



oxidation number
Equivalent mass

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Test: Balancing of redox reactions, Types of redox reactions - Question 3

Which of the following is only a redox reaction but not a disproportionation reaction?

Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 3

The reaction involves change of oxidation state of from 0 to +3 and that of from +4 to +2 .
Thus, it is a redox reaction but not a disproportionation reaction.

Test: Balancing of redox reactions, Types of redox reactions - Question 4
Which of the following do not show disproportionation reaction? , and
Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 4
being most electronegative element cannot exhibit any positive oxidation state. In chlorine is present in its highest oxidation state i.e . Therefore it does not show disproportionation reaction.
Test: Balancing of redox reactions, Types of redox reactions - Question 5

Determine the oxidation number of the underlined atom in 

Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 5

Let the oxidation number of be , then

Hence,

Test: Balancing of redox reactions, Types of redox reactions - Question 6
The oxidation state of in is
Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 6

Test: Balancing of redox reactions, Types of redox reactions - Question 7
Oxidation state of sulphur in anions and increases in the orders:
Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 7
In

In



In


hence the correct order is
Test: Balancing of redox reactions, Types of redox reactions - Question 8
Amongst the following, identify the species with an atom in oxidation state:
Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 8

Let . No. of


Test: Balancing of redox reactions, Types of redox reactions - Question 9

Point out the correct statement of the following about

Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 9

has the structure :

O.N. of two atoms are each and that of other two S atoms is zero each.

Test: Balancing of redox reactions, Types of redox reactions - Question 10
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?
Detailed Solution for Test: Balancing of redox reactions, Types of redox reactions - Question 10

i.e. maximum change in oxidation number is observed in to
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