define indicator and write their effects on acid and bases
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Acid-Base Indicator Definition:
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.
Acid-base indicators are most often used in a titration to identify the endpoint of an acid-base reaction. They are also used to gauge pH values and for interesting color-change science demonstrations.
Also Known As: pH indicator
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.
Acid-base indicators are most often used in a titration to identify the endpoint of an acid-base reaction. They are also used to gauge pH values and for interesting color-change science demonstrations.
Also Known As: pH indicator
Acid-Base Indicator Examples
Perhaps the best known pH indicator is litmus. Thymol Blue, Phenol Red and Methyl Orange are all common acid-base indicators. Red cabbage can also be used as an acid-base indicator.
Perhaps the best known pH indicator is litmus. Thymol Blue, Phenol Red and Methyl Orange are all common acid-base indicators. Red cabbage can also be used as an acid-base indicator.
Answers
Answered by
14
The organic compound which change their colour in a definite pH range are called indicators.
Indicator. acid. base.
litmus. red. blue.
methyl orange. red. yellow.
phenolphthalein.colourless. pink.
phenol red. yellow. red.
Indicator. acid. base.
litmus. red. blue.
methyl orange. red. yellow.
phenolphthalein.colourless. pink.
phenol red. yellow. red.
if u need the pH values of the given indicators u can ask
Answered by
3
The indicator is the one used to find whether the given chemical is acid or base.
Effects on weak acid:it changes to orange color
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