Question

Which pair of substances reacts to form a salt and water only?

a) Sodium chloride solution and silver nitrate solution

b) Sodium hydroxide solution and dilute ethanoic acid

c) Sodium carbonate solution and dilute sulphuric acid

d) Zinc and dilute hydrochloric acid​

Answer 1

Answer:

(b) is correct option

Explanation:

NaOH + CH3COOH -> CH3COONa + H2O

Salt and water are formed

Answer 2

Answer:

(b) is correct option

Explanation:

Given:  Pair of substances reacts to form a salt and water only

To find: Which pair of substances reacts to form a salt and water only?

Step 1: When an acid reacts with a base, the products are salt and water. As an example: Sodium chloride and water are formed when hydrochloric acid reacts with sodium hydroxide. The reaction is as follows: HCl(aq)+NaOH(aq)→NaCl(aq)+H2O(l)

Step 2: NaOH + CH3COOH -> CH3COONa + H2O

Salt and water are formed

A neutralization reaction occurs when an acid and a base react to form water and salt through the combination of H+ ions and OH- ions.

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