Question

Arrange the following substances in increasing order of forces of attraction between particles -
Petrol, potassium permanganate, oxygen​

Answer 1

Answer:

The forces of attraction are the strongest in solids, followed by liquids and the weakest in gases. Oxygen is a gas, water is a liquid and sugar is a crystalline solid. So the increasing order of forces of attraction is Oxygen < Water < Sugar.

Explanation:

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Answer 2

The order is oxygen<petrol<potassium permanganate.

• The molecules of solid are closely packed and have high intermolecular force of attraction. Here potassium permanganate is a solid and have highest force of attracted between its particles.
• The molecules of liquid are losely packed and have low intermolecular force of attraction. Here petrol is a liquid and have low force of attracted between its particles.
• The molecules of gas are losely packed and have very low intermolecular force of attraction. Here oxygen is a gas and have lowest force of attracted between its particles.