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Preparation of Hydrogen

The carbon di...

Question

The carbon dioxide produced in water gas shift reaction is removed by scrubbing with :

A

sodium hydroxide solution

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B

sodium arsenite solution

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C

sodium chloride solution

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D

water

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Solution

The correct option is B sodium arsenite solution
In chemistry, an arsenite is a chemical compound containing an arsenic oxoanion where arsenic has oxidation state +3. Sodium arsenite is used in the water gas shift reaction to remove carbon dioxide.

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The production of dihydrogen gas via water gas shift reaction,

C O (g) + H_{2} O (g) Δ / C a t a l y s t - ------ \to C O_{2} (g) + H_{2} (g) .

C O_{2}

gas is removed by scrubbing with solution of:

The production of dihydrogen gas via water gas shift reaction

C O_{(} g) + H_{2} O_{(} g)

Δ ⟶

{C O_{2}}_{(} g) + {H_{2}}_{(} g)

C O_{2}

gas is removed by scrubbing with solution of?

Q. (a) Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
(b) Write balanced chemical equation with state symbols for the following reaction:
Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.

Q. Write the balanced equation for the following reaction and add the state symbols.

(a) Magnesium, carbonate reacts with hydrochloric acid to produce magnesium chloride, carbon dioxide and water.

(b) Sodium hydroxide reacts with sulphuric acid to produced sodium sulphate and water.

Q. Write balanced chemical equations for each of the following reactions
1. Carbon dioxide Marble dissolves in hydrochloric acid to give calcium chloride water and carbon dioxide
2. Silver nitrate reacts with copper to produce copper nitrate and silver metal
3. Carbon dioxide gas is passed over lime water to form a precipitate of calcium carbonate
4. Aluminium Sulphate acts with Sodium Hydroxide to form precipitate of aluminium hydroxide and the solution of sodium sulphate
5. Barium Chloride solution reacts with sulphuric acid to form precipitate of Barium sulphate and solution of hydrochloric acid.

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