(A) Viscosity of a liquid is a measure of its resistance to flow. In liquids,viscosity decreases as temperature increases because the kinetic energy o

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Both statement-$I$ and statement-$II$ are correct.

(A) Viscosity of a liquid is a measure of its resistance to flow. In liquids,viscosity decreases as temperature increases because the kinetic energy of the molecules increases,allowing them to overcome the intermolecular attractive forces. Therefore,Statement-$I$ is correct. The $SI$ unit of the coefficient of viscosity $(\eta)$ is $N \ s \ m^{-2}$ or $Pa \ s$ (Pascal-second). Therefore,Statement-$II$ is also correct.

Class 11 Chemistry States of Matter Mix Examples- States of Matter

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Two statements are given below.
Statement-$I$: Viscosity of liquid decreases with increase in temperature.
Statement-$II$: The units of viscosity coefficient are Pascal sec.
The correct answer is

AP EAMCET 2024 All AP EAMCET

A
Both statement-$I$ and statement-$II$ are correct.
B
Both statement-$I$ and statement-$II$ are not correct.
C
Statement-$I$ is correct but statement-$II$ is not correct.
D
Statement-$I$ is not correct but statement-$II$ is correct.

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$A$ and $B$ are ideal gases. The molecular weights of $A$ and $B$ are in the ratio of $1: 4$. The pressure of a gas mixture containing equal weights of $A$ and $B$ is $P \text{ atm}$. What is the partial pressure (in $\text{atm}$) of $B$ in the mixture?

MediumTS EAMCET 2005

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The magnitude of surface tension of a liquid depends on the attractive forces between the molecules. Arrange the following in increasing order of surface tension: Water,alcohol $(C_2H_5OH)$,and hexane $(CH_3(CH_2)_4CH_3)$.

Medium

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Equal masses of ethyne $(C_2H_2)$ and benzene $(C_6H_6)$ are taken in a flask at $400 \ K$. If the partial pressure of benzene is $600 \ torr$,what will be the total pressure of the gaseous mixture in $torr$?

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Which of the following volume $(V)$-temperature $(T)$ plots represents the behaviour of one mole of an ideal gas at one atmospheric pressure?

MediumIIT 2002

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At $300 \ K$ and $760 \ torr$ pressure, the density of a mixture of $He$ and $O_2$ gases is $0.543 \ g \ L^{-1}$. The mass percent of oxygen is approximately $(R = 0.0821 \ L \ atm \ K^{-1} \ mol^{-1})$

MediumTS EAMCET 2023

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Two statements are given below.Statement-$I$: Viscosity of liquid decreases with increase in temperature.Statement-$II$: The units of viscosity coefficient are Pascal sec.The correct answer is

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$A$ and $B$ are ideal gases. The molecular weights of $A$ and $B$ are in the ratio of $1: 4$. The pressure of a gas mixture containing equal weights of $A$ and $B$ is $P \text{ atm}$. What is the partial pressure (in $\text{atm}$) of $B$ in the mixture?

The magnitude of surface tension of a liquid depends on the attractive forces between the molecules. Arrange the following in increasing order of surface tension: Water,alcohol $(C_2H_5OH)$,and hexane $(CH_3(CH_2)_4CH_3)$.

Equal masses of ethyne $(C_2H_2)$ and benzene $(C_6H_6)$ are taken in a flask at $400 \ K$. If the partial pressure of benzene is $600 \ torr$,what will be the total pressure of the gaseous mixture in $torr$?

Which of the following volume $(V)$-temperature $(T)$ plots represents the behaviour of one mole of an ideal gas at one atmospheric pressure?

At $300 \ K$ and $760 \ torr$ pressure, the density of a mixture of $He$ and $O_2$ gases is $0.543 \ g \ L^{-1}$. The mass percent of oxygen is approximately $(R = 0.0821 \ L \ atm \ K^{-1} \ mol^{-1})$

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Two statements are given below.
Statement-$I$: Viscosity of liquid decreases with increase in temperature.
Statement-$II$: The units of viscosity coefficient are Pascal sec.
The correct answer is