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Reaction of Acids with Metal Carbonate

A dry pellet ...

Question

A dry pellet of a common base $B$ , when kept in open absorbs moisture and turns sticky. The compound is also a by-product of the chloralkali process. What type of reaction occurs when $B$ is treated with an acidic oxide?

A

Precipitation reaction

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B

Neutralization reaction

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C

Endothermic reaction

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D

Exothermic reaction

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Solution

The correct option is B Neutralization reaction
The acidic oxides react with a base to give salt and water. Sodium hydroxide reacts with protic acids to produce water and the corresponding salts.

For example, when sodium hydroxide reacts with $H C l, N a C l$ salt and water is formed.
Hence the reaction is neutralization reaction due to a formation of salt and water.

$N a O H + H C l \to H_{2} O + N a C l$

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Q. A dry pellet of a common base B, when kept in open absorbs moisture and turns sticky. The compound is also a by-product of chlor-alkali process. Identify B, what type of reaction occurs when B is treated with an acidic oxide ? Write a balanced chemical equation for one such solution.

Q. Question 46.
A dry pellet of a common base B, when kept in open absorbs moisture and turns sticky. The compound is also a by-product of chlor-alkali process. Identify B, what type of reaction occurs when B is treated with an acidic oxide ? Write a balanced chemical equation for one such solution.

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Reaction of Acids with Metal Carbonate

Standard VII Chemistry

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