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.

EASY

Earn 100

Catalytic conversion of hydrogen ( $H_{2}$ ) and carbon monoxide ( $CO$ ) from coal-derived into methanol.

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Important Questions on Hydrogen

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

Write the four uses of dihydrogen gas.

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Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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

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Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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

HARD

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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>Uses of Hydrogen

Complete the following reaction:

CO (g) + H_{2} (g) \to_{catalyst}^{∆}

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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.

HARD

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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 $H$ .

MEDIUM

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

How can hydrogen be made to combine with:

nitrogen

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Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

Hydrogen combines with _____ to form ammonia.

EASY

Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

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>Uses of Hydrogen

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>Uses of Hydrogen

Give reason for the following:

Liquid hydrogen is used along with liquid oxygen in rockets.

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Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

Explain the use of hydrogen as meteorological balloons.

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Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen

What are advantages in using hydrogen as fuel?

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Chemistry>Inorganic Chemistry>Hydrogen>Uses of Hydrogen