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Carbonic Acid and Carbonates

CO 2+ H 2 O ⇌...

Question

$C O_{2} + H_{2} O ⇌$ ?

A

Cyanide

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B

Cyanogen

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C

Calcium Cyanamide

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D

None of these

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Solution

The correct option is D
None of these

When $C O_{2}$ reacts with water, it gives carbonic acid.

An aqueous solution of carbon dioxide behaves as a weak acid, which is due to the formation of carbonic acid.

$C O_{2} + H_{2} O ⇌ H_{2} C O_{3}$

Carbonic acid
This is why $C O_{2}$ is also known carbonic anhydride.

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Similar questions

Q. Identify X in the following reaction:

N a C l + H_{2} O

C O_{2} + N H_{3}

\to

N H_{4} C l + X

Q. In the manufacture of sodium carbonate, the following reactions are involved:

(A) Δ - \to (B) + {CO}_{2}

(B) + H_{2} O \to (C) N H_{4} C l - --- \to (D)

(E) + {CO}_{2} \to (F)

(F) + NaCl \to G H e a t - -- \to {Na}_{2} {CO}_{3} + {CO}_{2} + H_{2} O

{(D) is a gas which is soluble in H}_{2} O

Compound (C) is:

Q. The molecular formula of Calcium cyanamide is:

Q. A mixture of calcium cyanamide and carbon is known as:

Q. Calcium cyanamide on treatment with steam produces :

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