EASY
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Which of the following orders is correct?
a. Order of percentage relative abundance is protium > deuterium > tritium.
b. Order of density is protium < deuterium < tritium.
c. Order of boiling point is protium > deuterium > tritium.
d. Order of atomic mass is protium > deuterium > tritium.

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Important Questions on Hydrogen

MEDIUM
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Deuterium resembles hydrogen in properties but:
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
The most abundant elements by mass in the body of a healthy human adult are:

Oxygen (61.4%); Carbon (22.9%), Hydrogen (10.0%); and Nitrogen (2.6%). The weight which a 75kg person would gain if all  1H atoms are replaced by  2H atoms is:
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Tritium, a radioactive isotope of hydrogen, emits which of the following particles?
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
The isotopes of hydrogen are:
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Which of the following statements about hydrogen is incorrect?
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Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Hydrogen has three isotopes : protium H1, deuterium (H2 or D) and tritium (H3 or T). They have nearly same chemical properties but different physical properties. They differ in
MEDIUM
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Isotope(s) of hydrogen which emits low energy β- particles with t1/2 value >12 years is/are
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
The synonym for water gas when used in the production of methanol is:
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Which of the following forms of hydrogen emits low energy β- particles?
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Hydrogen is the most abundant element in the Universe, but it is not the most abundant gas in the troposphere.

Reason R: Hydrogen is the lightest element.

In the light of the above statements, choose the correct answer from the options given below:

EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Which physical property of di-hydrogen is wrong?
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Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen

Which of the following statements about hydrogen is incorrect?

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Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Among Mg, Cu, Fe, Zn the metal that does not produce hydrogen gas in reaction with hydrochloric acid is
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Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Which among the given options is not an inert gas?
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Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Identify the reaction which does not liberate hydrogen
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Which of the following reactions increases the production of dihydrogen from synthesis gas?
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen

The equation that represents the water-gas shift reaction is :

EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
The number of neutrons and electrons, respectively, present in the radioactive isotope of hydrogen is :-
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
Which of the following statements is not true for hydrogen:
1) It exists as a diatomic molecule.
2) It has one electron in the outermost shell.
3) It can lose an electron to form a cation which can freely exist.
4) It cannot form ionic compounds.
EASY
Chemistry>Inorganic Chemistry>Hydrogen>Isotopes of Hydrogen
The total number of isotopes of hydrogen and number of radioactive isotopes among them, respectively, are