17. The oxide that gives H2O2 on treatment with dilute H2SO2 is

Correct Answer is: BaO 2 .8H 2 O + O 2

both an oxidising and a reducing agent

neither oxidising nor reducing agent

Hydrogen MCQ Multiple Choice Questions Answers for Practice

Q: 2. D2O has higher value of following physical parameters than H2O, except

Correct Answer is: Dielectric Constant

Q: 3. Elements of which of the following group(s) of periodic table do not form hydrides.

Correct Answer is: Groups 7, 8, 9

Q: 6. Hydrogen peroxide is

Correct Answer is: both an oxidising and a reducing agent

Q: 7. Hydrogen peroxide is obtained by the electrolysis of

Correct Answer is: sulphuric acid

Q: 8. Hydrogen resembles halogens in many respects for which several factors are responsible. Of the following factors which one is most important in this respect?

Correct Answer is: Its tendency to gain a single electron in its valence shell to attain stable electronic configuration.

Q: 9. In what form can you store hydrogen?

Correct Answer is: All of the above

Q: 13. Select the incorrect statement for H2O2 structure

Correct Answer is: Oâ€“Oâ€“H bond angle in gas phase is more than in solid phase

Q: 18. True or false: hydrogen is an energy source.

Correct Answer is: False Statement

Q: 19. True/False: hydrogen fuel cell vehicles are electric vehicles

Correct Answer is: True Statement

1. A hydrogen fuel cell is...............times more efficient than an engine

1
3 - 2
8 - 7
10

2. D₂O has higher value of following physical parameters than H₂O, except

Molecular Mass
Melting Point
Density
Dielectric Constant

3. Elements of which of the following group(s) of periodic table do not form hydrides.

Groups 7, 8, 9
Group 13
Groups 15, 16, 17
Group 14

4. How long does it take to fill your cars hydrogen tank at a fueling station?

3-5 minutes
8 minutes
15 minutes
about 60 minutes

5. How many hydrogen fueling stations are operational in the U.S.?

6. Hydrogen peroxide is

an oxidising agent
a reducing agent
both an oxidising and a reducing agent
neither oxidising nor reducing agent

7. Hydrogen peroxide is obtained by the electrolysis of

water
sulphuric acid
hydrochloric acid
fused sodium peroxide

8. Hydrogen resembles halogens in many respects for which several factors are responsible. Of the following factors which one is most important in this respect?

Its tendency to lose an electron to form a cation.
Its tendency to gain a single electron in its valence shell to attain stable electronic configuration.
Its low negative electron gain enthalpy value.
Its small size.

9. In what form can you store hydrogen?

Gas
Liquid
Solid
All of the above

10. Only one element of..................forms hydride

group 6
group 7
group 8
group 9

11. P^{4O10 on hydrolysis produces}

H^3PO²
H^3PO³
H^3PO⁴
PH³

12. Radioactive elements emit alpha, Beta and Gamma rays and are characterised by their halflives. The radioactive isotope of hydrogen is

Protium
Deuterium
Tritium
Hydronium

13. Select the incorrect statement for H^{2O^{2 structure}}

It is non planar
Oâ€“O bond length is more in gaseous state than in solid phase
Both OH bond are in different plane
Oâ€“Oâ€“H bond angle in gas phase is more than in solid phase

14. Syn-gas is a mixture of

CO+N²
O³
CO + H²
CO + H^2CO³

15. The electronic conguration of D (Isotope of Hydrogen)

1s²
1s²2s1¹
1s¹
1s²2s²2p¹

16. The number of H^{2O molecules which are involve in Hydrozen bonding in CuSO^{4.5H^{2O molecule itself is}}}

H^3PO²
H^3PO³
H^3PO⁴
PH³

17. The oxide that gives H₂O₂ on treatment with dilute H₂SO₂ is

PbO₂
BaO₂ .8H₂O + O₂
MnO₂
TiO₂

18. True or false: hydrogen is an energy source.

True Statement
False Statement

19. True/False: hydrogen fuel cell vehicles are electric vehicles

False Statement
True Statement

20. What can you produce hydrogen from?

Water
Plants
Natural gasl
All of the above and more

21. What is the most common element in the world?

Hydrogen
Oxygen
Helium
Carbon

22. What is the only by-product of hydrogen fuel-cells?

Carbon Dioxide (CO₂, which is a greenhouse gas)
Nothing
Water vapor
Helium

23. What is the strength of 20 volume solution of H^{2O^2?}

5g/L
10g/L
30g/L
60g/L

24. When MnO^{4 reacts with H^{2O^{2 in basic medium then following species are involved, except}}}

MnO²
O²
OH^-
Mn²⁺

25. When sodium peroxide is treated with dilute sulphuric acid, we get

sodium sulphate and water
sodium sulphate and oxygen
sodium sulphate, hydrogen and oxygen
sodium sulphate and hydrogen peroxide

26. Which group forms hydride?

27. Which of the following compounds is used for water softening?

Ca₃ (PO₄)₂
Na₃PO₄
Na₆P₆O₁₈
Na₂HPO₄

28. Which of the following hydrides is electron-precise hydride?

B₂H₆
NH₃
H₂O
CH₄

29. Which of the following ions will cause hardness in water sample?

Ca²⁺
Na⁺
Cl^-
K⁺

30. Which one is ionic hydride in nature?

CrH
NH³
H^2O
NaH

Hydrogen MCQs are essential practice tools for students and exam aspirants. These multiple-choice questions cover various aspects of hydrogen, helping you strengthen your knowledge and prepare effectively.

About Hydrogen MCQ Questions

Hydrogen MCQs delve into the fundamental properties and applications of hydrogen, including its physical and chemical characteristics, production methods, and role in various industries. These questions are designed to test and enhance your understanding of hydrogen's significance in science and technology.

Why Practice Hydrogen Objective Questions?

Practicing Hydrogen MCQs offers numerous benefits. They help you prepare for school and college exams, competitive exams, and job interviews. Regular practice improves your recall, enhances problem-solving skills, and builds confidence in your knowledge of hydrogen-related concepts.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
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