Question

what is an acid bases indicator? give one example
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Answer 1

Answer:

Examples of acid-base indicators include litmus paper, phenolphthalein, and red cabbage juice. An acid-base indicator is a weak acid or weak base that dissociates in water to yield the weak acid and its conjugate base or else the weak base and its conjugate acid.

Explanation:

Acid - Base indicators (also known as pH indicators) are substances which change colour with pH. They are usually weak acids or bases, which when dissolved in water dissociate slightly and form ions. Consider an indicator which is a weak acid, with the formula HIn. ... The equilibrium solution has the colour A.

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Answer 2

Answer:

An acid-base indicator is either a weak acid or weak base that exhibits a color change as the concentration of hydrogen (H+) or hydroxide (OH-) ions changes in an aqueous solution.They are also used to gauge pH values and for interesting color-change science demonstrations.Examples of acid-base indicatorsinclude litmus paper and phenolphthalein.

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