Complete the following reaction: CO g + H 2 g → catalyst ∆

The uses of dihydrogen include the production of methanol by the reaction with carbon monoxide. The balanced chemical equation for the preparation of methanol from dihydrogen is given below: CO g + 2 H 2 g → catalyst ∆ CH 3 OH l

Use the information given below to identify the substances G and H , selecting your answer only from substances in the list given below. Write an equation for the chemical reaction mentioned. Calcium Calcium oxide Ammonium Chloride Carbon Copper(II)oxide Copper(II)nitrate Chlorine Lead(II)oxide Hydrogen chloride Oxygen Calcium hydroxide Lead(II)oxide G is a gaseous non-metallic element that reacts with hydrogen to form H .

Chlorine G is a gaseous non-metallic element that reacts with hydrogen to form hydrogen chloride H . C l 2 g + H 2 g → 2 H C l g hydrogen chloride At room temperature, chlorine is a yellow-green gas that is heavier than air and has a strong irritating odour. Chlorine is mainly used as a bleach in the manufacture of paper and cloth and as a disinfectant to purify water.

MEDIUM

Earn 100

Give the reaction between copper oxide and dihydrogen.

Important Questions on Hydrogen

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Which of the following acts as oxidising agent in hydrogen- oxygen fuel cell?

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Which physical property of di-hydrogen is wrong?

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

The radius

R

of a nucleus of mass number

A

can be estimated by the formula

R = (1.3 \times 10^{- 15}) A^{1 / 3} m

. It follows that the mass density of a nucleus is of the order of:

(M_{p r o t} ≅ M_{neut} ≃ 1.67 \times 10^{- 27} kg)

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Write the four uses of dihydrogen gas.

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Which of the following properties of hydrogen is similar to halogen family?

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Why 'Hydrogen is considered to be the best choice among all the alternative fuel options ?

HARD

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Hydrogen gas is not widely used as a reducing agent because:

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

How does the atomic hydrogen or oxyhydrogen torch function for cutting or welding purposes? Explain.

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Why is fuel cell not being used as a source of energy on a large scale?

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Complete the following reaction:

CO (g) + H_{2} (g) \to_{catalyst}^{∆}

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Specific impulse of a rocket and the critical temperature of the fuel reacted in the motor of the rocket has the relationship

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

In a hydrogen- oxygen fuel cell, combustion of hydrogen occurs to

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Industrial preparation of ammonia is done by (i) _____ process. When a mixture of dry nitrogen and dry (ii) _____ in the ratio (iii) _____ by volume is made to combine under suitable conditions. Optimum temperature of (iv) _____. Catalyst i. e., finely divided (v) _____ is mixed with (vi) _____ as promoter. Pressure should be as (vii) _____ as possible i.e., between (viii) _____ atm to (ix) _____ atm.

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

How can hydrogen be made to combine with:

nitrogen

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Hydrogen combines with _____ to form ammonia.

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

The correct statements among

(a)

(d)

regarding

H_{2}

as a fuel are:

(a)

It produces less pollutants than petrol

(b)

A cylinder of compressed dihydrogen weighs

\sim 30

times more than a petrol tank producing the same amount of energy

(c)

Dihydrogen is stored in tanks of metal alloys like

N a N i_{5}

(d)

On combustion, values of energy released per gram of liquid dihydrogen and LPG are

50

and

142 k J

, respectively

HARD

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Use the information given below to identify the substances $G$ and $H$ , selecting your answer only from substances in the list given below. Write an equation for the chemical reaction mentioned.

Calcium	Calcium oxide	Ammonium Chloride
Carbon	Copper(II)oxide	Copper(II)nitrate
Chlorine	Lead(II)oxide	Hydrogen chloride
Oxygen	Calcium hydroxide	Lead(II)oxide

$G$ is a gaseous non-metallic element that reacts with hydrogen to form $H$ .

HARD

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

An inorganic red coloured compound (A) on heating gives a compound (B) and a gas (C). (A) on treatment with conc. HNO₃ gives compound (D), brown colour substance (E) and a neutral oxide (F). Compound (D) on warming gives off gas (C). Then (E) will be

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Give reason for the following:

Liquid hydrogen is used along with liquid oxygen in rockets.

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Properties of Dihydrogen

Explain the use of hydrogen as meteorological balloons.

Give the reaction between copper oxide and dihydrogen.

Important Questions on Hydrogen

Learn and Prepare for any exam you want !