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Dry NH3 has no action on litmus, what a solution of ammonia in water turned red litmus paper blue why is it so? ​

Dry NH3 has no action on litmus, what a solution of ammonia in water turned red litmus paper blue why is it so?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Answer:

NH3 is basic in nature, but litmus paper needs ions to change its color. When NH3 reacts with water, NH4OH is formed which is a base and contains NH4+ and OH− ions. Hence, the red litmus turns blue.

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