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Reaction of Metallic Oxides and Hydroxides with Acids

Which 0.1 M s...

Question

Which 0.1 M solution will turn phenolphthalein pink?

A

H B r (a q)

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B

C O_{2} (a q)

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C

L i O H (a q)

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D

C H_{3} O H (a q)

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Solution

The correct option is A $L i O H (a q)$
In the presence of base, phenolphthalein turns pink. Here, $L i O H (a q)$ is a basic solution.

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