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Test: Oxidation and Reduction Reactions, Oxidation number - JEE MCQ


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10 Questions MCQ Test Chemistry for JEE Main & Advanced - Test: Oxidation and Reduction Reactions, Oxidation number

Test: Oxidation and Reduction Reactions, Oxidation number for JEE 2024 is part of Chemistry for JEE Main & Advanced preparation. The Test: Oxidation and Reduction Reactions, Oxidation number questions and answers have been prepared according to the JEE exam syllabus.The Test: Oxidation and Reduction Reactions, Oxidation number MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Oxidation and Reduction Reactions, Oxidation number below.
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Test: Oxidation and Reduction Reactions, Oxidation number - Question 1

Which one of the following cannot function as an oxidising agent?

Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 1
If an electronegative element is in its lowest possible oxidation state in a compound or in free state. It can function as a powerful reducing agent. e.g. I-
Test: Oxidation and Reduction Reactions, Oxidation number - Question 2

Which of the following chemical reactions depict the oxidizing beahviour of ?

Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 2

In thisreaction oxidation number of is decreasing from to hence undergoing reduction and for HI oxidation Number of I is increasing from to 0 hence underegoing oxidation therefore is acting as oxidising agent.
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Test: Oxidation and Reduction Reactions, Oxidation number - Question 3

Which reaction involves neither oxidation nor reduction?

Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 3
. . of on both sides is .
Test: Oxidation and Reduction Reactions, Oxidation number - Question 4
One gas bleaches the colour of flowers by reduction, while the other by oxidation
Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 4
bleaches by reduction, while chlorine bleaches colour of flowers by oxidation.
Test: Oxidation and Reduction Reactions, Oxidation number - Question 5

In how many of the following species, an element has fractional oxidation state?







 

Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 5

In species i, ii, vi, vii and viii, an element has fractional oxidation state.

Test: Oxidation and Reduction Reactions, Oxidation number - Question 6
The most powerful reducing agent is:
Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 6
oxidation state of P is+3 , which can further be oxidized to a higher oxidation state. So they can act as reducing agents. In oxidation state of P is +5, which is highest for P. Hence cannot serve as a reducing agent.
Test: Oxidation and Reduction Reactions, Oxidation number - Question 7

 On balancing the above equation in basic solution, using integral coefficient, which of the following whole numbers will be the coefficient of ?

Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 7


Coefficient of

Test: Oxidation and Reduction Reactions, Oxidation number - Question 8
In  the oxidation states respectively for  and oxygen may be:
Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 8

Let  be the oxidation state of in

 contains a peroxide linkage in which has an

oxidation state of

 or  or 

 Thus, the oxidation state of sodium in is

Test: Oxidation and Reduction Reactions, Oxidation number - Question 9


Role of hydrogen peroxide in the above reactions is respectively
Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 9
In both these reactions hydrogen peroxide acts as a reducing agent, as and are reduced.

Test: Oxidation and Reduction Reactions, Oxidation number - Question 10
Oxidation number of potassium in  and , respectively:
Detailed Solution for Test: Oxidation and Reduction Reactions, Oxidation number - Question 10
Alkali metals always possess +1 oxidation state, whereas oxidation state for oxygen present in (oxide) is -2, and in (peroxide) is -1 and in (superoxide) is
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