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Free download in PDF Class 11 Chemistry Chapter 9 Hydrogen Multiple Choice Questions and Answers for Board, JEE, NEET, AIIMS, JIPMER, IIT-JEE, AIEE and other competitive exams. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Hydrogen is most __________ element in the universe.
[A]
Abundant
[B]
None
[C]
Both
[D]
Consumer
(2)
The volume of 10 volume H2O2 required to liberate 500 ml of O2 at S.T.P. is :
[A]
25 ml
[B]
50 ml
[C]
100 ml
[D]
125 ml
(3)
Hydrogen is a good __________ agent.
[A]
Oxidizing
[B]
Reducing
[C]
Acidic
[D]
Basic
(4)
Atomic hydrogen is called
[A]
Protium
[B]
Deutrium
[C]
Nascent Hydrogen
[D]
Tritium
(5)
Hydrogen is the most abundant element on earth after______.
[A]
Oxygen
[B]
Carbon
[C]
Sulphur
[D]
None of the Above
(6)
What is gram equivalent weight of hydrogen peroxide as reductant?
[A]
100
[B]
125
[C]
152
[D]
None of the Above
(7)
_________________ on water decolourises H2O2
[A]
O3
[B]
Acidic KMnO4 solution
[C]
Black Suspension of Lead Sulphide(PbS)
[D]
None of these.
Answer: Black Suspension of Lead Sulphide(PbS)
(8)
Pure H2O2 is:
[A]
Semi – solid
[B]
Liquid
[C]
Solid
[D]
Gas
(9)
The freezing point of heavy water is
[A]
0°C
[B]
3.8°C
[C]
4°C
[D]
1°C
(10)
Hydrogen has isotopes
(11)
Water gas is mixture of hydrogen H2 and
[A]
CO
[B]
CO2
[C]
Cl2
[D]
SO2
(12)
The volume strength of 1.5 NH2O2 solution is :
[A]
4.8
[B]
5.2
[C]
8.8
[D]
8.4
(13)
Atomic hydrogen is called
[A]
Protium
[B]
Deutrium
[C]
Nascent Hydrogen
[D]
Tritium
(14)
Which of the following statements regarding hydrogen peroxide is/ are incorrect?
[A]
As aerating agent in production of sponge rubber
[B]
As an antichlor
[C]
For restoring white colour of blackened lead painting
[D]
All of the above
(15)
Water shows anomalous behavior between
[A]
0 to 4°C
[B]
0 to 5°C
[C]
0 to -4°C
[D]
4 to 0°C
(16)
What is the product of the reaction of H2O2 with Cl2?
[A]
O2 + HOCl
[B]
HCl + O2
[C]
H2O + HCl
[D]
HCl + H2
(17)
Which of the following hydrides are generally nonstochiometric in nature?
[A]
Ionic Hydrides
[B]
Molecular Hydrides
[C]
Interstitial Hydrides
[D]
All of the Above.
Answer: Interstitial Hydrides
(18)
H2O2 used in rocket has the concentration:
[A]
50%
[B]
90%
[C]
70%
[D]
30%
(19)
The freezing point of heavy water is
[A]
0°C
[B]
3.8°C
[C]
4°C
[D]
1°C
(20)
Pure H2O2 is :
[A]
Semi – solid
[B]
Liquid
[C]
Solid
[D]
Gas
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