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1. Liquid (anhydrous) ammonia, NH3(l), with a boiling point of –33 °C, is often used as...

1. Liquid (anhydrous) ammonia, NH3(l), with a boiling point of –33 °C, is often used as an alternate solvent to water. It forms strong hydrogen bonds and the polar molecules can solvate ionic compounds. Anhydrous ammonia also undergoes autoionization. Therefore, there can be acidic, neutral, or basic species in solutions of liquid ammonia.

At 50°C, the autoionization constant of ammonia Kam is 1030. What are the conditions for “neutral”, “acidic”, and “basic” liquid ammonia solutions at 50°C

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Answer #1

Remember Temperature will change dissociation constant value, but not change a substance from acidic to basic or neutral. Take a look at below examples for clarification. Its all about playing with pKb values only.

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