Question

sodium hydroxide and hydrochloric acid are mixed k. a test tube in equal ratio, will there be any change of colour if few drops of phenolphtalein is dropped. justify your answer with chemical equation​

Answer 1

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Sodium hydroxide is a base, and it was in the pitcher at the beginning, so when added to the phenolphthalein in beakers 2 and 4, it turned pink (top half of the graphic). The equilibrium shifts right, HIn decreases, and In- increases.Under acidic conditions, the phenolphthalein indicator is colorless.

Answer 2

Hello❤!!

Here is your answer ❤!!

Sodium hydroxide is a base, and it was in the pitcher at the beginning, so when added to thephenolphthalein in beakers 2 and 4, it turned pink (top half of the graphic). The equilibrium shifts right, HIn decreases, and In- increases. Under acidic conditions, the phenolphthalein indicator is colorless.

Thank you❤!!