Q.

When the temperature is raised, the viscosity of liquid decreases, this is because

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By Expert Faculty of Sri Chaitanya

Decreased volume of the solution

Increase in temperature increases the average kinetic energy of molecules, which overcome the attractive force between them

Decreased covalent and hydrogen bond forces

Increased attraction between molecules

answer is 2.

(Detailed Solution Below)

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Detailed Solution

When the temperature is raised, the viscosity of liquid decreases, this is because increase in temperature increases the average kinetic energy of molecules which overcome the attractive force between them.

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