314045
Among the following, the incorrect statement is:
1 At low pressure, real gases show ideal behaviour
2 At very low temperature, real gases show ideal behaviour.
3 At very large volume, real gases show ideal behaviour.
4 At Boyle's temperature, real gases show ideal behaviour.
Explanation:
The real gases show deviation from ideality at low temperature, high pressure and low volume. Thus, at very low temperature, real gases do not show ideal behaviour.
JEE - 2017
CHXI06:STATES OF MATTER
314046
Which of the given sets of temperature and pressure will cause a gas to exhibit the greatest deviation from ideal gas behaviour?
1 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
2 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
3 \(\mathrm{-100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
4 \(\mathrm{0^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
Explanation:
According to van der Waal's equation, at low temperature and high pressure, gas deviates from ideal gas behaviour.
CHXI06:STATES OF MATTER
314081
In Van der Waal's equation of state of the gas law, the constant ' \(\mathrm{b}\) ' is a measure of
1 Intermolecular repulsions
2 Intermolecular collisions per unit volume
3 Volume occupied by the molecules
4 Intermolecular attraction
Explanation:
Physical significance of ' \(\mathrm{b}\) ' is volume occupied by the molecules
CHXI06:STATES OF MATTER
314082
At low pressure Van der Waal's equation for 3 moles of a real gas will have its simplified from
1 \(\mathrm{\dfrac{P V}{R T-(3 a / V)}=3}\)
2 \(\mathrm{\dfrac{P V}{R T+R b}=3}\)
3 \(\mathrm{\dfrac{P V}{R T-3 P b}=1}\)
4 \(\mathrm{\dfrac{P V}{R T-(9 / V)}=3}\)
Explanation:
Van der Waal's equation, \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V-n b)=n R T}\) At low pressure, it is represented as \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V)=n R T}\) \(\mathrm{\left(P V+\dfrac{a n^{2}}{V}\right)=n R T}\) \(\mathrm{P V=n R T-\dfrac{a n^{2}}{V}}\) \(\mathrm{P V=n\left(R T-\dfrac{a n}{V}\right)}\) \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{a n}{V}\right)}=n}\) Given, \(\mathrm{\mathrm{n}=3}\) moles \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{3 a}{V}\right)}=3}\)
CHXI06:STATES OF MATTER
314083
If 2 moles of gas in \(\mathrm{4 \mathrm{~L}}\) flask exerts \(\mathrm{11 \mathrm{~atm}}\) pressure at \(\mathrm{300 \mathrm{~K}}\) and '\(\mathrm{b}\)' is \(\mathrm{0.05 \mathrm{Lmol}^{-1}}\), the value of van der Waal's constant ' \(\mathrm{a}\) ' is
314045
Among the following, the incorrect statement is:
1 At low pressure, real gases show ideal behaviour
2 At very low temperature, real gases show ideal behaviour.
3 At very large volume, real gases show ideal behaviour.
4 At Boyle's temperature, real gases show ideal behaviour.
Explanation:
The real gases show deviation from ideality at low temperature, high pressure and low volume. Thus, at very low temperature, real gases do not show ideal behaviour.
JEE - 2017
CHXI06:STATES OF MATTER
314046
Which of the given sets of temperature and pressure will cause a gas to exhibit the greatest deviation from ideal gas behaviour?
1 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
2 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
3 \(\mathrm{-100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
4 \(\mathrm{0^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
Explanation:
According to van der Waal's equation, at low temperature and high pressure, gas deviates from ideal gas behaviour.
CHXI06:STATES OF MATTER
314081
In Van der Waal's equation of state of the gas law, the constant ' \(\mathrm{b}\) ' is a measure of
1 Intermolecular repulsions
2 Intermolecular collisions per unit volume
3 Volume occupied by the molecules
4 Intermolecular attraction
Explanation:
Physical significance of ' \(\mathrm{b}\) ' is volume occupied by the molecules
CHXI06:STATES OF MATTER
314082
At low pressure Van der Waal's equation for 3 moles of a real gas will have its simplified from
1 \(\mathrm{\dfrac{P V}{R T-(3 a / V)}=3}\)
2 \(\mathrm{\dfrac{P V}{R T+R b}=3}\)
3 \(\mathrm{\dfrac{P V}{R T-3 P b}=1}\)
4 \(\mathrm{\dfrac{P V}{R T-(9 / V)}=3}\)
Explanation:
Van der Waal's equation, \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V-n b)=n R T}\) At low pressure, it is represented as \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V)=n R T}\) \(\mathrm{\left(P V+\dfrac{a n^{2}}{V}\right)=n R T}\) \(\mathrm{P V=n R T-\dfrac{a n^{2}}{V}}\) \(\mathrm{P V=n\left(R T-\dfrac{a n}{V}\right)}\) \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{a n}{V}\right)}=n}\) Given, \(\mathrm{\mathrm{n}=3}\) moles \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{3 a}{V}\right)}=3}\)
CHXI06:STATES OF MATTER
314083
If 2 moles of gas in \(\mathrm{4 \mathrm{~L}}\) flask exerts \(\mathrm{11 \mathrm{~atm}}\) pressure at \(\mathrm{300 \mathrm{~K}}\) and '\(\mathrm{b}\)' is \(\mathrm{0.05 \mathrm{Lmol}^{-1}}\), the value of van der Waal's constant ' \(\mathrm{a}\) ' is
314045
Among the following, the incorrect statement is:
1 At low pressure, real gases show ideal behaviour
2 At very low temperature, real gases show ideal behaviour.
3 At very large volume, real gases show ideal behaviour.
4 At Boyle's temperature, real gases show ideal behaviour.
Explanation:
The real gases show deviation from ideality at low temperature, high pressure and low volume. Thus, at very low temperature, real gases do not show ideal behaviour.
JEE - 2017
CHXI06:STATES OF MATTER
314046
Which of the given sets of temperature and pressure will cause a gas to exhibit the greatest deviation from ideal gas behaviour?
1 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
2 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
3 \(\mathrm{-100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
4 \(\mathrm{0^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
Explanation:
According to van der Waal's equation, at low temperature and high pressure, gas deviates from ideal gas behaviour.
CHXI06:STATES OF MATTER
314081
In Van der Waal's equation of state of the gas law, the constant ' \(\mathrm{b}\) ' is a measure of
1 Intermolecular repulsions
2 Intermolecular collisions per unit volume
3 Volume occupied by the molecules
4 Intermolecular attraction
Explanation:
Physical significance of ' \(\mathrm{b}\) ' is volume occupied by the molecules
CHXI06:STATES OF MATTER
314082
At low pressure Van der Waal's equation for 3 moles of a real gas will have its simplified from
1 \(\mathrm{\dfrac{P V}{R T-(3 a / V)}=3}\)
2 \(\mathrm{\dfrac{P V}{R T+R b}=3}\)
3 \(\mathrm{\dfrac{P V}{R T-3 P b}=1}\)
4 \(\mathrm{\dfrac{P V}{R T-(9 / V)}=3}\)
Explanation:
Van der Waal's equation, \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V-n b)=n R T}\) At low pressure, it is represented as \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V)=n R T}\) \(\mathrm{\left(P V+\dfrac{a n^{2}}{V}\right)=n R T}\) \(\mathrm{P V=n R T-\dfrac{a n^{2}}{V}}\) \(\mathrm{P V=n\left(R T-\dfrac{a n}{V}\right)}\) \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{a n}{V}\right)}=n}\) Given, \(\mathrm{\mathrm{n}=3}\) moles \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{3 a}{V}\right)}=3}\)
CHXI06:STATES OF MATTER
314083
If 2 moles of gas in \(\mathrm{4 \mathrm{~L}}\) flask exerts \(\mathrm{11 \mathrm{~atm}}\) pressure at \(\mathrm{300 \mathrm{~K}}\) and '\(\mathrm{b}\)' is \(\mathrm{0.05 \mathrm{Lmol}^{-1}}\), the value of van der Waal's constant ' \(\mathrm{a}\) ' is
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CHXI06:STATES OF MATTER
314045
Among the following, the incorrect statement is:
1 At low pressure, real gases show ideal behaviour
2 At very low temperature, real gases show ideal behaviour.
3 At very large volume, real gases show ideal behaviour.
4 At Boyle's temperature, real gases show ideal behaviour.
Explanation:
The real gases show deviation from ideality at low temperature, high pressure and low volume. Thus, at very low temperature, real gases do not show ideal behaviour.
JEE - 2017
CHXI06:STATES OF MATTER
314046
Which of the given sets of temperature and pressure will cause a gas to exhibit the greatest deviation from ideal gas behaviour?
1 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
2 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
3 \(\mathrm{-100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
4 \(\mathrm{0^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
Explanation:
According to van der Waal's equation, at low temperature and high pressure, gas deviates from ideal gas behaviour.
CHXI06:STATES OF MATTER
314081
In Van der Waal's equation of state of the gas law, the constant ' \(\mathrm{b}\) ' is a measure of
1 Intermolecular repulsions
2 Intermolecular collisions per unit volume
3 Volume occupied by the molecules
4 Intermolecular attraction
Explanation:
Physical significance of ' \(\mathrm{b}\) ' is volume occupied by the molecules
CHXI06:STATES OF MATTER
314082
At low pressure Van der Waal's equation for 3 moles of a real gas will have its simplified from
1 \(\mathrm{\dfrac{P V}{R T-(3 a / V)}=3}\)
2 \(\mathrm{\dfrac{P V}{R T+R b}=3}\)
3 \(\mathrm{\dfrac{P V}{R T-3 P b}=1}\)
4 \(\mathrm{\dfrac{P V}{R T-(9 / V)}=3}\)
Explanation:
Van der Waal's equation, \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V-n b)=n R T}\) At low pressure, it is represented as \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V)=n R T}\) \(\mathrm{\left(P V+\dfrac{a n^{2}}{V}\right)=n R T}\) \(\mathrm{P V=n R T-\dfrac{a n^{2}}{V}}\) \(\mathrm{P V=n\left(R T-\dfrac{a n}{V}\right)}\) \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{a n}{V}\right)}=n}\) Given, \(\mathrm{\mathrm{n}=3}\) moles \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{3 a}{V}\right)}=3}\)
CHXI06:STATES OF MATTER
314083
If 2 moles of gas in \(\mathrm{4 \mathrm{~L}}\) flask exerts \(\mathrm{11 \mathrm{~atm}}\) pressure at \(\mathrm{300 \mathrm{~K}}\) and '\(\mathrm{b}\)' is \(\mathrm{0.05 \mathrm{Lmol}^{-1}}\), the value of van der Waal's constant ' \(\mathrm{a}\) ' is
314045
Among the following, the incorrect statement is:
1 At low pressure, real gases show ideal behaviour
2 At very low temperature, real gases show ideal behaviour.
3 At very large volume, real gases show ideal behaviour.
4 At Boyle's temperature, real gases show ideal behaviour.
Explanation:
The real gases show deviation from ideality at low temperature, high pressure and low volume. Thus, at very low temperature, real gases do not show ideal behaviour.
JEE - 2017
CHXI06:STATES OF MATTER
314046
Which of the given sets of temperature and pressure will cause a gas to exhibit the greatest deviation from ideal gas behaviour?
1 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
2 \(\mathrm{100^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
3 \(\mathrm{-100^{\circ} \mathrm{C}}\) and \(\mathrm{4 \mathrm{~atm}}\)
4 \(\mathrm{0^{\circ} \mathrm{C}}\) and \(\mathrm{2 \mathrm{~atm}}\)
Explanation:
According to van der Waal's equation, at low temperature and high pressure, gas deviates from ideal gas behaviour.
CHXI06:STATES OF MATTER
314081
In Van der Waal's equation of state of the gas law, the constant ' \(\mathrm{b}\) ' is a measure of
1 Intermolecular repulsions
2 Intermolecular collisions per unit volume
3 Volume occupied by the molecules
4 Intermolecular attraction
Explanation:
Physical significance of ' \(\mathrm{b}\) ' is volume occupied by the molecules
CHXI06:STATES OF MATTER
314082
At low pressure Van der Waal's equation for 3 moles of a real gas will have its simplified from
1 \(\mathrm{\dfrac{P V}{R T-(3 a / V)}=3}\)
2 \(\mathrm{\dfrac{P V}{R T+R b}=3}\)
3 \(\mathrm{\dfrac{P V}{R T-3 P b}=1}\)
4 \(\mathrm{\dfrac{P V}{R T-(9 / V)}=3}\)
Explanation:
Van der Waal's equation, \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V-n b)=n R T}\) At low pressure, it is represented as \(\mathrm{\left(P+\dfrac{a n^{2}}{V^{2}}\right)(V)=n R T}\) \(\mathrm{\left(P V+\dfrac{a n^{2}}{V}\right)=n R T}\) \(\mathrm{P V=n R T-\dfrac{a n^{2}}{V}}\) \(\mathrm{P V=n\left(R T-\dfrac{a n}{V}\right)}\) \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{a n}{V}\right)}=n}\) Given, \(\mathrm{\mathrm{n}=3}\) moles \(\mathrm{\dfrac{P V}{\left(R T-\dfrac{3 a}{V}\right)}=3}\)
CHXI06:STATES OF MATTER
314083
If 2 moles of gas in \(\mathrm{4 \mathrm{~L}}\) flask exerts \(\mathrm{11 \mathrm{~atm}}\) pressure at \(\mathrm{300 \mathrm{~K}}\) and '\(\mathrm{b}\)' is \(\mathrm{0.05 \mathrm{Lmol}^{-1}}\), the value of van der Waal's constant ' \(\mathrm{a}\) ' is