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What is the role of hydroxide ions in showing basic properties?

Answer and explanation

Correct answer: They give basic nature

The governing concept is the ionisation of bases in water. A soluble base such as sodium hydroxide dissociates to produce Na⁺ and OH⁻ ions, and the presence of OH⁻ gives the solution its basic properties, such as turning red litmus blue. Therefore option A is correct. Hydrogen ions are associated with acidity, while hydroxide ions do not form metals or carbon dioxide in this context.

Related tags

ScienceClass10Acids-Bases-SaltsHydroxide-IonsAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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