Concept explainers
(a)
Interpretation:
Three common weak acids are to be named.
Concept introduction:
Acid is a substance that dissociates in water to release H+ ions. Depending upon the strength the acids can be classified into two types:
1. Strong acids
2. Weak acids
Strong acids are the substance that dissociates completely into its ions when dissolved in the solution. They dissociate completely in water to release H+ ions. They behave as strong electrolytes and conduct a large amount of electricity.
Weak acids are the substance that does not dissociates completely into its ions when dissolved in the solution. They dissociate partially in water to release H+ ions. They behave as weak electrolytes and conduct less amount of electricity.
(b)
Interpretation:
One common weak base is to be named.
Concept introduction:
A base is a substance that dissociates in water to release OH− ions. Depending upon the strength, bases can be classified into two types:
1. Strong bases
2. Weak bases
Strong bases are the substance that dissociates completely into its ions when dissolved in the solution. They dissociate completely in water to release OH− ions. They behave as strong electrolytes and conduct a large amount of electricity.
Weak bases are the substance that does not dissociates completely into its ions when dissolved in the solution. They dissociate partially in water to release OH− ions. They behave as weak electrolytes and conduct less amount of electricity.
(c)
Interpretation:
The major difference between a weak acid and a strong acid or between a weak base and a strong base and the experiment to observe it is to be determined.
Concept introduction:
Acid is a substance that dissociates in water to release H+ ions. The dissociation reaction of acid is:
HXH2O→H+(aq)+X−(aq)
A base is a substance that dissociates in water to release OH− ions. The dissociation reaction of the base is:
MOHH2O→M+(aq)+OH−(aq)
Depending upon the strength of dissociation, acids, and bases can be classified into two types:
1 Strong acids and strong bases
2. Weak acids and weak bases
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