Take a some cold water in a beaker and add two drops of
phenolphthalein to it. Put a small piece of sodium metal into it and observe
the reaction.
a) What is the colour change obtained the solution?
b) What is the reason for the colour change of the solution?
c) Write down the chemical equation of this chemical reaction.
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Nahi pata
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Answer:
Since phenolphthalein is a basic indicator, the colour of phenolphthalein will change from a clear solution to pink coloured solution due to reaction of it with base like sodium hydroxide.
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