Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 37

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JEE Main

IMPORTANT

Earn 100

The equivalent mass of ${NO}_{3}^{-}$ in the following reaction is

${NO}_{3}^{-} \to {NH}_{4}^{+}$

50% studentsanswered this correctly

Important Questions on Redox Reactions

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JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 38

The oxidation numbers of

S

in

S_{8}, S_{2} F_{2}

and

H_{2} S

, respectively are

EASY

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 39

Which of the following statement is incorrect for the chemical reaction?
$H_{2} O_{2} + O_{3} \to H_{2} O + 2 O_{2}$

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 40

The reaction

3 {ClO}_{(aq)}^{-} \to {ClO}_{3 (aq)}^{-} + 2 {Cl}_{(aq)}^{-}

is an example of:

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 41

Choose the correct answers for a given amount of hydrogen.

EASY

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 42

An element forms two oxides, the weight-ratio composition in them is

A : O = x : y

in the first oxide and

y : x

in the second oxide. If the equivalent weight of

A

in the first oxide is

10.33,

the equivalent weight of

A

in the second oxide is:

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Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 43

It requires

40 mL

of

0.5 M {Ce}^{4 +}

to titrate

10 mL

of

1.0 M {Sn}^{2 +}

to

{Sn}^{4 +}

. The oxidation state of

Ce

in the reduction product is

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 44

Using the following Latimer diagram for bromine,

$pH = 0 {BrO}^{-}_{4} \overset{1.82 V}{⟶} {BrO}_{3}^{-} \overset{1.50 V}{⟶} HBrO \overset{1.595 V}{⟶} {Br}_{2} \overset{1.0652 V}{⟶} {Br}^{-}$

the species undergoing disproportionation is:

HARD

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 45

25 mL

of a solution of

{Fe}^{2 +}

ions was titrated with a solution of the oxidising agent

{Cr}_{2} O_{7}^{2 -}, 32.45 mL

of

0.0153 M K_{2} {Cr}_{2} O_{7}

solution was required. What is the molarity of the

{Fe}^{2 +}

solution? (Give your answer up to four decimal points)