The process of dissolving an acid or a base in water is a-an - reaction-exothermicoxidationendothermicreduction

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Dilute and Concentrated Acids and Bases

The process o...

Question

The process of dissolving an acid or a base in water is a/an __________ reaction.

exothermic

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endothermic

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oxidation

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reduction

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Solution

The correct option is A exothermic
The process is an exothermic reaction due to increase in concentration of H⁺ ions in the solution and breaking of bonds.

This is the reason why it is advised to always add the concentrated acid to water with constant stirring rather than adding water directly to the sample of concentrated acid.

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Similar questions

Q. (a) Define an acid and a base. Give two examples of each.
(b) Give the names and formulae of two strong bases and two weak bases.
(c) What type of ions are formed:
(i) when an acid is dissolved in water?
(ii) when a base (or alkali) is dissolved in water?
(d) Write the neutralisation reaction between acids and bases in terms of the ions involved.
(e) Write any two important uses of bases.

Fill in the blanks with suitable words :

An acid is a compound which when dissolved in water forms hydronium ions as the only ________ ions.

A base is a compound which is soluble in water contains ________ ions. A base reacts with an acid to form a ________ and water only. This type of reaction is known as ________

Q. The process of dissolving an acid or a base in water is a/an __________ reaction.

Q. The process of dissolving an acid or a base in water is a highly endothermic reaction.

Q. The process of dissolving an acid or a base in water results in the of heat energy, which makes it an process.

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