Which ions do acids produce in water?
Answer and explanation
Correct answer: Hydrogen ions
The governing concept is the Arrhenius description of acids. When an acid dissolves in water, it increases the concentration of hydrogen ions, commonly represented as H⁺; hydronium ions, H₃O⁺, are formed in actual aqueous solution. Thus option A gives the expected school-level answer. Hydroxide ions indicate bases, while sodium and chloride ions may occur in particular salts but do not define all acids.
Frequently asked questions
What is the correct answer to this question?
Hydrogen ions
Why is this the correct answer?
The governing concept is the Arrhenius description of acids. When an acid dissolves in water, it increases the concentration of hydrogen ions, commonly represented as H⁺; hydronium ions, H₃O⁺, are formed in actual aqueous solution. Thus option A gives the expected school-level answer. Hydroxide ions indicate bases, while sodium and chloride ions may occur in particular salts but do not define all acids.
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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