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Question
With increase in temperature, the viscosity of
With increase in temperature, the viscosity of
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Solution
The correct option is D liquids decreases.
When a liquid is heated, the kinetic energy of its molecules increases and the intermolecular attraction becomes weaker. Hence, the viscosity of a liquid decreases with increase in its temperature.
(Viscosity) η liquid α 1√T
The gas viscosity will increase with temperature. According to the kinetic theory of gases, viscosity should be proportional to the square root of the absolute temperature, in practice, it increases more rapidly.
(Viscosity) η gas α √T
Final Answer: (c), (d)
When a liquid is heated, the kinetic energy of its molecules increases and the intermolecular attraction becomes weaker. Hence, the viscosity of a liquid decreases with increase in its temperature.
(Viscosity) η liquid α 1√T
The gas viscosity will increase with temperature. According to the kinetic theory of gases, viscosity should be proportional to the square root of the absolute temperature, in practice, it increases more rapidly.
(Viscosity) η gas α √T
Final Answer: (c), (d)
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