Match the graphs between the following variables with their names: Graphs Names (i) Pressure vs temperature graph at constant molar volume. (a) Isotherms (ii) Pressure vs volume graph at constant temperature. (b) Constant temperature curve (iii) Volume vs temperature graph at constant pressure. (c) Isochores (d) Isobars

Pressure vs temperature graph at constant volume is called isochores. The graph is represented as follows. Pressure vs volume graph at constant temperature are called isotherms. The graph is represented as follows. Volume vs temperature graph at constant pressure are called isobars. The graph is represented as follows. (i) Pressure vs temperature graph at constant molar volume. (c) Isochores (ii) Pressure vs volume graph at constant temperature. (a) Isotherms (iii) Volume vs temperature graph at constant pressure. (d) Isobars

Match the following gas laws with the equation representing them (i) Boyle’s law (a) V ∝ n at constant T and p (ii) Charle’s law (b) p Total = p 1 + p 2 + p 3 + . . . . . . at constant T , V . (iii) Dalton’s law (c) pV T = Constant (iv) Avogadro law (d) V ∝ T at constant n and p (e) p ∝ 1 V at constant n and T

According to Boyle's law, at a constant temperature, the volume of a given mass of a gas is inversely proportional to its pressure. p ∝ 1 V at constant temperature Charle's law states that the volume of an ideal gas is directly proportional to the absolute temperature at constant pressure. V ∝ T Dalton’s law: At constant V and T , total pressure of the gaseous mixture of two or more non reacting gases is equal to the algebraic sum of their partial pressures. p Total = p 1 + p 2 + p 3 + . . . . . . at constant temperature and volume Avogadro law: It states that equal volumes of all gases, under the same conditions of temperature and pressure, contain equal number of molecules. V ∝ n at constant temperature and pressure. (i) Boyle’s law (e) p ∝ 1 V at constant n and T (ii) Charle’s law (d) V ∝ T at constant n and p (iii) Dalton’s law (b) p Total = p 1 + p 2 + p 3 + . . . . . . at constant T , V (iv) Avogadro law (a) V ∝ n at constant T and p

Match the following graphs of ideal gas with their co-ordinates : Graphical representation x and y co-ordinates (a) pV vs . V (b) p vs . V (c) p vs . 1 V

According to Boyle's law, at a constant temperature, the volume of a given mass of a gas is inversely proportional to its pressure. Since the temperature is constant, the graph is called isotherm. According to Boyle's law, at a constant temperature, pressure of the gas is directly proportional to 1 / V . So straight line is formed from the origin. According to Boyle's law, at a constant temperature, product of pressure and volume is always constant. PV = constant. (b) p vs . V (c) p vs . 1 V (a) pV vs . V

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Explain the effect of increasing the temperature of a liquid, on intermolecular forces operating between its particles, what will happen to the viscosity of a liquid if its temperature is increased?

Important Questions on States of Matter

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11th CBSE

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NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 39

The variation of pressure with volume of the gas at different temperatures can be graphically represented as shown in the figure. On the basis of this graph, how will the volume of a gas change if its pressure is increased at constant temperature?

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MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 39

The variation of pressure with volume of the gas at different temperatures can be graphically represented as shown in the figure. On the basis of this graph, at constant pressure, how will the volume of a gas change if the temperature is increased from $200 K$ to $400 K$ ?

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11th CBSE

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NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 40

Pressure versus volume graph for a real gas and an ideal gas are shown in the figure. Answer the following question on the basis of this graph.
Interpret the behaviour of real gas with respect to ideal gas at low pressure.

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HARD

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 40

Pressure versus volume graph for a real gas and an ideal gas are shown in the figure. Answer the following question on the basis of this graph. Interpret the behaviour of real gas with respect to ideal gas at high pressure.

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MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 40

Pressure versus volume graph for a real gas and an ideal gas are shown in the figure. Answer the following question on the basis of this graph. Mark the pressure and volume by drawing a line at the point where real gas behaves as an ideal gas.

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11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Matching Type>Q 41

Match the graphs between the following variables with their names:

Graphs	Names
(i) Pressure vs temperature graph at constant molar volume.	(a) Isotherms
(ii) Pressure vs volume graph at constant temperature.	(b) Constant temperature curve
(iii) Volume vs temperature graph at constant pressure.	(c) Isochores
	(d) Isobars

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Matching Type>Q 42

Match the following gas laws with the equation representing them

(i) Boyle’s law	(a) $V \propto n$ at constant $T$ and $p$
(ii) Charle’s law	(b) $p_{Total} = p_{1} + p_{2} + p_{3} + . . . . . .$ at constant $T, V$ .
(iii) Dalton’s law	(c) $\frac{pV}{T} =$ Constant
(iv) Avogadro law	(d) $V \propto T$ at constant $n$ and $p$
	(e) $p \propto \frac{1}{V}$ at constant $n$ and $T$

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Matching Type>Q 43

Match the following graphs of ideal gas with their co-ordinates :

Graphical representation	x and y co-ordinates
	(a) $pV vs . V$
	(b) $p vs . V$
	(c) $p vs . \frac{1}{V}$

Explain the effect of increasing the temperature of a liquid, on intermolecular forces operating between its particles, what will happen to the viscosity of a liquid if its temperature is increased?

Important Questions on States of Matter

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