Question

dentify salts that will dissolve to give an acidic solution. (Select all that apply.) LiCl C6H5NH3Cl NaNO2 CH3NH3Br CH3COONa KClO4 Identify salts that will dissolve to give a basic solution. (Select all that apply.) LiCl C6H5NH3Cl NaNO2 CH3NH3Br CH3COONa KClO4 Identify salts that will dissolve to give a neutral solution. (Select all that apply.) LiCl C6H5NH3Cl NaNO2 CH3NH3Br CH3COONa KClO4

Answer 1

Answer:  $C_6H_5NH_3Cl$ and $CH_3NH_3Br$ are acidic solutions

Explanation:

When a weak acid and strong base reacts, it leads to the formation of a basic solution.

When a strong acid and weak base reacts, it leads to the formation of acidic solution.

When a strong acid and strong base or weak acid and weak base reacts, it leads to the formation of a neutral solution.

$LiCl$ is neutral, as it is formed from the combination of strong acid and strong base.

$C_6H_5NH_3Cl$:  acidic, as it is formed from the combination of weak base and strong acidic

$NaNO_2$: basic, as it is formed from the combination of weak acid and strong base.

$CH_3NH_3Br$:  acidic, as it is formed from the combination of weak  base and strong acid.

$CH_3COONa$:   basic, as it is formed from the combination of strong  base and weak acid.

$KClO_4$:  neutral, as it is formed from the combination of strong acid and strong base.

Answer 2

The kind of salt formed depends on the acid and base that combined to yield the salt.

We have to know that the pH of a salt solution depends on the acid and base that reacts to form the salt.

• A weak acid reacts with a strong base to yield a salt that gives a basic solution
• A strong acid reacts with a weak base to give a salt that yields an acidic solution
• A strong acid and a strong base reacts to give a salt that yields a neutral solution

Hence;

• LiCl and KClO4 dissolves in water to give a neutral solution
• NaNO2 and CH3COONa  will form a basic solution
• C6H5NH3Cl and CH3NH3Br will form an acidic solution

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