Behaviour of Real Gases
CHXI06:STATES OF MATTER

314072 Which of the following are correct statements?

1 Van der Waal's constant " \(\mathrm{a}\) " is a measure of attractive force.
2 Van der Waal's constant "b" is also called co-volume or excluded volume.
3 b is expressed in \(\mathrm{\mathrm{L} \mathrm{mol}^{-1}}\)
4 All of the above
CHXI06:STATES OF MATTER

314073 Assertion :
The value of the van der Waal's constant ' \(\mathrm{a}\) ' is larger for ammonia than for nitrogen.
Reason :
Hydrogen bonding present in ammonia.

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If both Assertion is true but Reason is false.
CHXI06:STATES OF MATTER

314074 Given the value of the van der Waal's constant ' \(\mathrm{a}\) ' for the following gases
\(\begin{array}{*{20}{c}}{{\rm{Gas}}}&{{\rm{'a'}}\,\,{\rm{values}}\,\,{\rm{(}}{{\rm{L}}^{\rm{2}}}\,{\rm{mol}}{{\rm}^{{\rm{ - 2}}}}{\rm{ - atm)}}}\\{{{\rm{O}}_{\rm{2}}}}&{{\rm{1}}{\rm{.36}}}\\{{\rm{C}}{{\rm{O}}_{\rm{2}}}}&{{\rm{3}}{\rm{.59}}}\\{{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}}&{{\rm{5}}{\rm{.49}}}\\{{\rm{S}}{{\rm{O}}_{\rm{2}}}}&{{\rm{6}}{\rm{.72}}}\end{array}\)
Which one of the following gases has the strongest intermolecular forces of attraction?

1 \(\mathrm{\mathrm{O}_{2}}\)
2 \(\mathrm{\mathrm{CO}_{2}}\)
3 \(\mathrm{\mathrm{C}_{2} \mathrm{H}_{6}}\)
4 \(\mathrm{\mathrm{SO}_{2}}\)
CHXI06:STATES OF MATTER

314075 In Van der Waals equation of state for a real gas, the term that accounts for the intermolecular forces is

1 \(\mathrm{V_{m}-b}\)
2 \(\mathrm{P+a / V_{m}^{2}}\)
3 RT
4 \(\mathrm{1 / \mathrm{RT}}\)
CHXI06:STATES OF MATTER

314072 Which of the following are correct statements?

1 Van der Waal's constant " \(\mathrm{a}\) " is a measure of attractive force.
2 Van der Waal's constant "b" is also called co-volume or excluded volume.
3 b is expressed in \(\mathrm{\mathrm{L} \mathrm{mol}^{-1}}\)
4 All of the above
CHXI06:STATES OF MATTER

314073 Assertion :
The value of the van der Waal's constant ' \(\mathrm{a}\) ' is larger for ammonia than for nitrogen.
Reason :
Hydrogen bonding present in ammonia.

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If both Assertion is true but Reason is false.
CHXI06:STATES OF MATTER

314074 Given the value of the van der Waal's constant ' \(\mathrm{a}\) ' for the following gases
\(\begin{array}{*{20}{c}}{{\rm{Gas}}}&{{\rm{'a'}}\,\,{\rm{values}}\,\,{\rm{(}}{{\rm{L}}^{\rm{2}}}\,{\rm{mol}}{{\rm}^{{\rm{ - 2}}}}{\rm{ - atm)}}}\\{{{\rm{O}}_{\rm{2}}}}&{{\rm{1}}{\rm{.36}}}\\{{\rm{C}}{{\rm{O}}_{\rm{2}}}}&{{\rm{3}}{\rm{.59}}}\\{{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}}&{{\rm{5}}{\rm{.49}}}\\{{\rm{S}}{{\rm{O}}_{\rm{2}}}}&{{\rm{6}}{\rm{.72}}}\end{array}\)
Which one of the following gases has the strongest intermolecular forces of attraction?

1 \(\mathrm{\mathrm{O}_{2}}\)
2 \(\mathrm{\mathrm{CO}_{2}}\)
3 \(\mathrm{\mathrm{C}_{2} \mathrm{H}_{6}}\)
4 \(\mathrm{\mathrm{SO}_{2}}\)
CHXI06:STATES OF MATTER

314075 In Van der Waals equation of state for a real gas, the term that accounts for the intermolecular forces is

1 \(\mathrm{V_{m}-b}\)
2 \(\mathrm{P+a / V_{m}^{2}}\)
3 RT
4 \(\mathrm{1 / \mathrm{RT}}\)
CHXI06:STATES OF MATTER

314072 Which of the following are correct statements?

1 Van der Waal's constant " \(\mathrm{a}\) " is a measure of attractive force.
2 Van der Waal's constant "b" is also called co-volume or excluded volume.
3 b is expressed in \(\mathrm{\mathrm{L} \mathrm{mol}^{-1}}\)
4 All of the above
CHXI06:STATES OF MATTER

314073 Assertion :
The value of the van der Waal's constant ' \(\mathrm{a}\) ' is larger for ammonia than for nitrogen.
Reason :
Hydrogen bonding present in ammonia.

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If both Assertion is true but Reason is false.
CHXI06:STATES OF MATTER

314074 Given the value of the van der Waal's constant ' \(\mathrm{a}\) ' for the following gases
\(\begin{array}{*{20}{c}}{{\rm{Gas}}}&{{\rm{'a'}}\,\,{\rm{values}}\,\,{\rm{(}}{{\rm{L}}^{\rm{2}}}\,{\rm{mol}}{{\rm}^{{\rm{ - 2}}}}{\rm{ - atm)}}}\\{{{\rm{O}}_{\rm{2}}}}&{{\rm{1}}{\rm{.36}}}\\{{\rm{C}}{{\rm{O}}_{\rm{2}}}}&{{\rm{3}}{\rm{.59}}}\\{{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}}&{{\rm{5}}{\rm{.49}}}\\{{\rm{S}}{{\rm{O}}_{\rm{2}}}}&{{\rm{6}}{\rm{.72}}}\end{array}\)
Which one of the following gases has the strongest intermolecular forces of attraction?

1 \(\mathrm{\mathrm{O}_{2}}\)
2 \(\mathrm{\mathrm{CO}_{2}}\)
3 \(\mathrm{\mathrm{C}_{2} \mathrm{H}_{6}}\)
4 \(\mathrm{\mathrm{SO}_{2}}\)
CHXI06:STATES OF MATTER

314075 In Van der Waals equation of state for a real gas, the term that accounts for the intermolecular forces is

1 \(\mathrm{V_{m}-b}\)
2 \(\mathrm{P+a / V_{m}^{2}}\)
3 RT
4 \(\mathrm{1 / \mathrm{RT}}\)
CHXI06:STATES OF MATTER

314072 Which of the following are correct statements?

1 Van der Waal's constant " \(\mathrm{a}\) " is a measure of attractive force.
2 Van der Waal's constant "b" is also called co-volume or excluded volume.
3 b is expressed in \(\mathrm{\mathrm{L} \mathrm{mol}^{-1}}\)
4 All of the above
CHXI06:STATES OF MATTER

314073 Assertion :
The value of the van der Waal's constant ' \(\mathrm{a}\) ' is larger for ammonia than for nitrogen.
Reason :
Hydrogen bonding present in ammonia.

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If both Assertion is true but Reason is false.
CHXI06:STATES OF MATTER

314074 Given the value of the van der Waal's constant ' \(\mathrm{a}\) ' for the following gases
\(\begin{array}{*{20}{c}}{{\rm{Gas}}}&{{\rm{'a'}}\,\,{\rm{values}}\,\,{\rm{(}}{{\rm{L}}^{\rm{2}}}\,{\rm{mol}}{{\rm}^{{\rm{ - 2}}}}{\rm{ - atm)}}}\\{{{\rm{O}}_{\rm{2}}}}&{{\rm{1}}{\rm{.36}}}\\{{\rm{C}}{{\rm{O}}_{\rm{2}}}}&{{\rm{3}}{\rm{.59}}}\\{{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{6}}}}&{{\rm{5}}{\rm{.49}}}\\{{\rm{S}}{{\rm{O}}_{\rm{2}}}}&{{\rm{6}}{\rm{.72}}}\end{array}\)
Which one of the following gases has the strongest intermolecular forces of attraction?

1 \(\mathrm{\mathrm{O}_{2}}\)
2 \(\mathrm{\mathrm{CO}_{2}}\)
3 \(\mathrm{\mathrm{C}_{2} \mathrm{H}_{6}}\)
4 \(\mathrm{\mathrm{SO}_{2}}\)
CHXI06:STATES OF MATTER

314075 In Van der Waals equation of state for a real gas, the term that accounts for the intermolecular forces is

1 \(\mathrm{V_{m}-b}\)
2 \(\mathrm{P+a / V_{m}^{2}}\)
3 RT
4 \(\mathrm{1 / \mathrm{RT}}\)