Question

what is the action of litmus on solution of ammonia gas in water?

Answer 1

Answer:

As it is seen that NH3 doesn't have any ion,so it is unable to change the color of litmus. On the other hand when NH3 reacts with water,NH4OH(ammonium hydroxide) is formed which is a base and it contains NH4+ ion and OH- ion. Since basic ion is present,hence it changes the red litmus paper blue.

Explanation:

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