Question

Write physical properties of ammonia gas.Write answers of the given question.

Answer 1

Ammonia is a colourless gas with a characteristic pungent smell. It is lighter than air, its density being 0.589 times that of air. It is easily liquefied due to the strong hydrogen bonding between molecules; the liquid boils at −33.3 °C (−27.94 °F), and freezes at −77.7 °C (−107.86 °F) to white crystal

Answer 2

Answer:

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       Physical properties of Ammonia

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1. Color, odor, taste        ║Colorless ; Strong, pungent smell; Slight Alkaline taste.

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2. Physiological Nature ║ Non-poisonous. If inhaled affect the respiratory system. It is fatal in large doses.

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3. Density                       ║Lighter than air.

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4. Solubility                    ║Highly Soluble in water

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5. Liquefaction              ║Easily liquefied at low temperatures

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6. Boiling point             ║Liquid ammonia boils at - 33.5 °C

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7. Freezing point          ║Solid NH₃ melts at - 77.7°C

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Additional Information:

FOUNTAIN EXPERIMENT -

To demonstrate - the high solubility of NH₃ gas in water

Direct Observations:

• Ammonia gas present in flask dissolves in water due to its high solubility , thereby creating a partial vacuum in the flask.

• The outside pressure being higher pushes the red Lithmus solution up[ the jet tube which emerges out at the end of the tube as a - Blue Fountain