Question 132 of 156 in Acids, Bases and Salt Preparations

Theories of acids and bases

1 mark · Easy

State, according to the Arrhenius theory, what an alkali produces in water.

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OH^- ions (hydroxide ions)

Also accept: hydroxide ions; OH^- in water; hydroxide ions in water; substances that produce OH^- ions

Common mistakes: H^+ ions; water

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Marking points

B1 · 1 mark · Correctly states that alkalis produce OH^- (hydroxide) ions in water.

Worked solution

According to the Arrhenius theory, an alkali produces hydroxide ions (OH^-) in water.

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