A student says a concentrated acid and a strong acid are the same. What is the correct evaluation?
Answer and explanation
Correct answer: The statement is wrong because concentration is about amount and strength is about ionisation
The governing concept is the difference between concentration and acid strength. Concentration means the quantity of acid present in a given volume of solution, whereas strength describes the extent to which acid molecules ionise in water. A concentrated weak acid and a dilute strong acid are possible. Hence option B is correct; the other choices confuse these terms or make chemically false claims about pH and water.
Frequently asked questions
What is the correct answer to this question?
The statement is wrong because concentration is about amount and strength is about ionisation
Why is this the correct answer?
The governing concept is the difference between concentration and acid strength. Concentration means the quantity of acid present in a given volume of solution, whereas strength describes the extent to which acid molecules ionise in water. A concentrated weak acid and a dilute strong acid are possible. Hence option B is correct; the other choices confuse these terms or make chemically false claims about pH and water.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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