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Methyl orange appears red in acidic solution and yellow in basic solution. What is this property used for?

Answer and explanation

Correct answer: To identify acidic or basic nature of a solution

Methyl orange is an acid-base indicator. Its molecular form and ionic form have different colours, so the observed colour changes with the acidity of the solution. Red indicates an acidic medium, while yellow indicates a basic or less acidic medium in the simplified school-level description. This makes it useful for identifying the nature of a solution and for titration observations. Therefore A is correct; the other choices are unrelated.

Related tags

Methyl OrangeIndicatorAcid BaseTitrationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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