Hydrogen directly combines with

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Important Questions on Hydrogen

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Which of the following reactions is an example of use of water gas in the synthesis of other compounds?

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Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

The synonym for water gas when used in the production of methanol is:

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Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Which of the following reactions increases the production of dihydrogen from synthesis gas?

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Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

The metal that produces

H_{2}

with both dil

HCl

and

NaOH (aq)

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Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Which physical property of di-hydrogen is wrong?

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Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

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.

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Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

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

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Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

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:

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Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

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