Methyl Orange and Phenolphthalein Indicators
Methyl Orange and Phenolphthalein Indicators
Phenolphthalein:
It is a colourless compound. An alcoholic solution of phenolphthalein is used as an indicator. It is colourless in an acidic solution, but becomes pink (red) in basic solution. It is used as indicator in different acid-base iterations where its colour get changed due presence of base.
Methyl Orange:
A very small amount of solid methyl orange is dissolved in hot water and filtered. The filtrate is used as an indicator.
Among the following which substance turns phenolphthalein to pink? | |||
| Right Option : B | |||
| View Explanation | |||
Phenolphthalein indicator shows the following colour in the acidic : | |||
| Right Option : C | |||
| View Explanation | |||
In which of the following solutions, phenolphthalein indicator will give a pink colour? | |||
| Right Option : D | |||
| View Explanation | |||
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