${\rm{N}}{{\rm{a}}_2}{\rm{A}}{{\rm{l}}_2}{\rm{S}}{{\rm{i}}_2}{{\rm{O}}_8}$

${\rm{NaAlS}}{{\rm{i}}_2}{{\rm{O}}_6}$

${\rm{N}}{{\rm{a}}_2}{\rm{A}}{{\rm{l}}_2}{\rm{S}}{{\rm{i}}_2}{{\rm{O}}_3}$

${\rm{NaA}}{{\rm{l}}_2}{\rm{S}}{{\rm{i}}_2}{{\rm{O}}_8}$

${{\rm{H}}_2}{{\rm{O}}_2}$ is formed by which of the following compounds?

${\rm{N}}{{\rm{a}}_2}{{\rm{O}}_2}$

Back to HYDROGEN

Your Progress

0 / 179 Answered

Correct

Incorrect

Accuracy

JEE • CHEMISTRY • HYDROGEN

Hydrogen practice · Mixed difficulty

Choose an answer to check it, or open “View answer” to study the explanation. Sign in to save progress to your account.

Practice format and chapter quiz

These sets use single-correct-answer MCQs. They do not cover every JEE Main or JEE Advanced question format and are not full-length mock papers.

Take a chapter quiz →

Showing 121-150 of 179 questions

Preparing practice and saved progress…

121 Medium

121 of 179

Remembering +4 | -1

The decomposition of

\mathrm{H}_2 \mathrm{O}_2

is accelerated by -

View answer and explanation

Correct option: D

Pt powder

Option D is correct because Pt powder acts as a catalyst, accelerating the decomposition of H2O2 into water and oxygen.

122 Easy

122 of 179

Remembering +4 | -1

Hydrogen adsorbed on palladium is known as:

View answer and explanation

Correct option: C

Occluded H

Option C (Occluded H) is correct because hydrogen adsorbed on palladium is specifically referred to as occluded hydrogen.

123 Easy

123 of 179

Application +4 | -1

Volume strength of 1N

{H_2}{O_2}

View answer and explanation

Correct option: B

5.6 V

Option B (5.6 V) is correct because the volume strength of 1N

{H_2}{O_2}

is calculated by multiplying the normality by 5.6.

124 Easy

124 of 179

Remembering +4 | -1

\mathrm{Ti}{\mathrm{H}_{1.73}}\;\mathrm{is }\;\mathrm{an}\;\mathrm{ example}\;\mathrm{ of}:

View answer and explanation

Correct option: C

Metallic hydride

Option C (Metallic hydride) is correct because transition metals like titanium form metallic hydrides, which are non-stoichiometric compounds.

125 Medium

125 of 179

Application +4 | -1

The strength of 10 volume of

{\mathrm{H}_2}{\mathrm{O}_2}

solution is

View answer and explanation

Correct option: D

30.36

Option D (30.36) is correct because the strength of 10 volume H2O2 solution is calculated based on the volume of oxygen it releases at NTP.

126 Medium

126 of 179

Understanding +4 | -1

The number of Hydrogen bonded water molecules associated with

CuS{O_4}.5{H_2}O

View answer and explanation

Correct option: B

Option B (1) is correct because only one water molecule in

CuSO_4.5H_2O

can form a hydrogen bond.

127 Easy

127 of 179

Understanding +4 | -1

Which of the following is an example of interstitial hydride?

View answer and explanation

Correct option: C

\mathrm{Zn}{\mathrm{H}_2}

Option C (

\mathrm{Zn}{\mathrm{H}_2}

) is correct because interstitial hydrides are formed by transition metals, and

\mathrm{Zn}{\mathrm{H}_2}

is an example of such a hydride.

128 Medium

128 of 179

Understanding +4 | -1

The reaction between following pairs will produce hydrogen except

View answer and explanation

Correct option: A

Cu + HCl

Option A (

Cu + HCl

) is correct because copper is below hydrogen in the electrochemical series and does not react with dilute HCl to produce hydrogen gas.

129 Easy

129 of 179

Understanding +4 | -1

Which of the following hydrides is electron-precise hydride?

View answer and explanation

Correct option: D

\mathrm{CH}_4

Option D (

\mathrm{CH}_4

) is correct because it is an electron-precise hydride, meaning it has the exact number of electrons required for normal covalent bonds.

130 Medium

130 of 179

Understanding +4 | -1

(A): Some metals like

Pt

and

Pd

can be used as storage materials for

\mathrm{H}_2

gas

(R):

Pt

and

Pd

can absorb large volumes of

\mathrm{H}_2

(gas)

View answer and explanation

Correct option: A

Both

(A)

and

(R)

are true and

(R)

is the correct explnation of

(A)

Option A (Both (A) and (R) are true and (R) is the correct explnation of (A)) is correct because Platinum and Palladium can absorb large volumes of H2, making them suitable storage materials.

131 Medium

131 of 179

Understanding +4 | -1

Determine the total number of neutrons in three isotopes of Hydrogen

View answer and explanation

Correct option: C

Option C (3) is correct because the total number of neutrons in protium (0), deuterium (1), and tritium (2) is 0 + 1 + 2 = 3.

132 Medium

132 of 179

Analyzing +4 | -1

An inorganic compound gives off

\mathrm{O}_2

when heated, turns an acidic solution of

\mathrm{KI}

violet and reduces acidified

\mathrm{KMnO}_4

. The compound is

View answer and explanation

Correct option: C

\mathrm{H}_2 \mathrm{O}_2

Option C (

\mathrm{H}_2 \mathrm{O}_2

) is correct because it decomposes to release oxygen, oxidizes KI to iodine (violet color), and reduces acidified KMnO4.

133 Medium

133 of 179

Analyzing +4 | -1

Electrolysis of

X

gives

Y

at anode. Vacuum distillation of

Y

gives

{\mathrm{H}_2}{\mathrm{O}_2}

. The number of peroxy (O - O) bonds present in

X

and

Y

respectively are

View answer and explanation

Correct option: C

Zero, 1

The correct answer is C because sulfuric acid (X) has no peroxy bonds, and perdisulfuric acid (Y) has one peroxy bond.

134 Medium

134 of 179

Understanding +4 | -1

Which of the following is electron-deficient

View answer and explanation

Correct option: A

{\left( {B{H_3}} \right)_2}

Option A (

{\left( {B{H_3}} \right)_2}

) is correct because Boron in

BH_3

has only 6 electrons in its valence shell, making it electron-deficient. Dimerization to

(BH_3)_2

doesn't eliminate the electron deficiency.

135 Easy

135 of 179

Remembering +4 | -1

Sodium zeolite is:

View answer and explanation

Correct option: C

\mathrm{N}{\mathrm{a}_2}\mathrm{A}{\mathrm{l}_2}\mathrm{S}{\mathrm{i}_2}{\mathrm{O}_8}

Option C (

\mathrm{N}{\mathrm{a}_2}\mathrm{A}{\mathrm{l}_2}\mathrm{S}{\mathrm{i}_2}{\mathrm{O}_8}

) is correct because this is the general formula for sodium zeolite, a hydrated aluminosilicate.

Explore Other Chapters in CHEMISTRY

View All →

P-BLOCK ELEMENTS 736 MCQs Equilibrium 696 MCQs STRUCTURE OF ATOM 634 MCQs THERMODYNAMICS 536 MCQs CHEMICAL BONDING & MOLECULAR STRUCTURE 514 MCQs SOLUTIONS 480 MCQs

136 Easy

136 of 179

Understanding +4 | -1

The acidified solution of

\mathrm{FeC}{\mathrm{l}_3}

is reduced by passing:

View answer and explanation

Correct option: C

nascent

\mathrm{H}

Option C (nascent

\mathrm{H}

) is correct because nascent hydrogen is a strong reducing agent and can reduce

\mathrm{FeC}{\mathrm{l}_3}

\mathrm{FeC}{\mathrm{l}_2}

137 Easy

137 of 179

Understanding +4 | -1

The sum of protons, electrons and neutrons in the heaviest isotope of hydrogen is

View answer and explanation

Correct option: C

The correct answer is 4 because the heaviest isotope of hydrogen is tritium (

_1{\mathrm{H}^3}

), which has 1 proton, 2 neutrons, and 1 electron, summing to 4.

138 Easy

138 of 179

Remembering +4 | -1

The structure of

{\mathrm{H}_\mathrm{2}}{\mathrm{O}_\mathrm{2}}

View answer and explanation

Correct option: B

non - planar

Option B (non - planar) is correct because the structure of H2O2 is a non-planar open book structure due to repulsion between lone pairs.

139 Medium

139 of 179

Remembering +4 | -1

Tailing of mercury is a laboratory test for:

View answer and explanation

Correct option: A

{\mathrm{O}_3}

Option A (

{\mathrm{O}_3}

) is correct because tailing of mercury is a laboratory test specifically used to detect the presence of ozone.

140 Easy

140 of 179

Understanding +4 | -1

{\mathrm{H}_2}{\mathrm{O}_2}

is formed by which of the following compounds?

View answer and explanation

Correct option: A

\mathrm{N}{\mathrm{a}_2}{\mathrm{O}_2}

Option A (

\mathrm{N}{\mathrm{a}_2}{\mathrm{O}_2}

) is correct because hydrogen peroxide (

{\mathrm{H}_2}{\mathrm{O}_2}

) is formed by the reaction of sodium peroxide (

\mathrm{N}{\mathrm{a}_2}{\mathrm{O}_2}

) with dilute sulfuric acid.

141 Easy

141 of 179

Remembering +4 | -1

Atomic hydrogen reacts with oxygen to give

View answer and explanation

Correct option: B

Almost pure hydrogen peroxide

Option B (Almost pure hydrogen peroxide) is correct because atomic hydrogen reacts with oxygen to produce almost pure hydrogen peroxide (

\mathrm{H}_2\mathrm{O}_2

142 Medium

142 of 179

Understanding +4 | -1

Which of the following is not true?

View answer and explanation

Correct option: A

\mathrm{D}_2 \mathrm{O}

freezes at lower temperature than

\mathrm{H}_2 \mathrm{O}

Option A is correct because

D_2O

(heavy water) freezes at a higher temperature (3.8 °C) than

H_2O

(ordinary water) (0 °C).

143 Easy

143 of 179

Remembering +4 | -1

Which of the following metals absorbs Hydrogen

View answer and explanation

Correct option: B

Pd

Option B (

Pd

) is correct because Palladium is well-known for its ability to absorb hydrogen.

144 Easy

144 of 179

Analyzing +4 | -1

Which of the following cannot be oxidized by

\mathrm{H}_2 \mathrm{O}_2

View answer and explanation

Correct option: B

\mathrm{O}_3

Option B (

\mathrm{O}_3

) is correct because ozone is a stronger oxidizing agent than hydrogen peroxide, so H2O2 cannot oxidize it.

145 Medium

145 of 179

Remembering +4 | -1

Number of water molecules in washing soda and soda ash respectively are :

View answer and explanation

Correct option: C

10 and 0

Option C (10 and 0) is correct because washing soda contains 10 water molecules, while soda ash is anhydrous.

146 Hard

146 of 179

Analyzing +4 | -1

Assertion (A) : On adding zinc pieces to

{FeCl}_3(a q)

solution, colour changes from deep yellow to light green.

Reason (R) : Aqueous

{FeCl}_3

solution is acidic and on adding zinc, nascent hydrogen is produced which reduces deep yellow

m{FeCl}_3

solution to light green

{FeCl}_2

solution.

View answer and explanation

Correct option: A

Both

\mathbf{A}

and

\mathbf{R}

are true and

\mathbf{R}

is the correct explanation of

\mathbf{A}

The correct answer is A (Both A and R are true and R is the correct explanation of A) because zinc reduces

FeCl_3

FeCl_2

, causing the color change, and the nascent hydrogen produced facilitates this reduction.

147 Easy

147 of 179

Remembering +4 | -1

For the bleaching of hair, the substance used is:

View answer and explanation

Correct option: C

{\mathrm{H}_2}{\mathrm{O}_2}

Option C (

{\mathrm{H}_2}{\mathrm{O}_2}

) is correct because hydrogen peroxide is commonly used for bleaching hair due to its oxidizing properties.

148 Medium

148 of 179

Analyzing +4 | -1

An inorganic compound liberates

{\mathrm{O}_2}

when heated, turns an acid solution of KI brown and reduces acidified

\mathrm{KMn}{\mathrm{O}_4}

. The substance is:

View answer and explanation

Correct option: A

{\mathrm{H}_2}{\mathrm{O}_2}

Option A (H2O2) is correct because H2O2 decomposes to release O2 when heated, turns KI solution brown (oxidation of I- to I2), and reduces KMnO4.

149 Easy

149 of 179

Understanding +4 | -1

The decomposition of

{\mathrm{H}_2}{\mathrm{O}_2}

can be slowed down by the addition of small amount of phosphoric acid which acts as:

View answer and explanation

Correct option: C

Inhibitor

Option C (Inhibitor) is correct because phosphoric acid acts as a negative catalyst, slowing down the decomposition of hydrogen peroxide.

150 Easy

150 of 179

Remembering +4 | -1

In the case of

{\mathrm{H}_2}{\mathrm{O}_2}

,the angle between the planes containing the hydrogen atom is:

View answer and explanation

Correct option: B

90\mathrm{ }^\circ

Option B (

90\mathrm{ }^\circ

) is correct because the angle between the planes containing the hydrogen atoms in

{\mathrm{H}_2}{\mathrm{O}_2}

is approximately 90 degrees.

Revision notes and key takeaways

Review HYDROGEN in your textbook or class notes, then use this set to check your understanding.

Showing 121-150 of 179 questions

Your Progress

Hydrogen practice · Mixed difficulty

Explore Other Chapters in CHEMISTRY

Continue Your Practice

Your practice