Ideal Gas
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NEET DIGITAL LIBRARY
CHXI06:STATES OF MATTER

314211 The volume of \(\mathrm{0.0168 \mathrm{~mol}}\) of \(\mathrm{O_{2}}\) obtained by decomposition of \(\mathrm{\mathrm{KClO}_{3}}\) and collected by displacement of water is \(\mathrm{428 \mathrm{~mL}}\) at pressure \(\mathrm{754 \mathrm{~mm}}\) of \(\mathrm{\mathrm{Hg}}\) at \(\mathrm{25^{\circ} \mathrm{C}}\). The pressure of water vapour (in \(\mathrm{\mathrm{mm}}\) of \(\mathrm{\mathrm{Hg}}\) ) at \(\mathrm{25^{\circ} \mathrm{C}}\) is

1 18.5
2 20.6
3 22.3
4 24.6
CHXI06:STATES OF MATTER

314212 If \({\rm{1}}{{\rm{0}}^{{\rm{ - 4}}}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\) of water is introduced into a \({\rm{1}}{\rm{.0}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\) flask at \(\mathrm{300 \mathrm{~K}}\), then the number of moles of water formed in the vapour phase when equilibrium is established is [Given: Vapour pressure of \(\mathrm{\mathrm{H}_{2} \mathrm{O}}\) at \(\mathrm{300 \mathrm{~K}}\) is \(\mathrm{3170 \mathrm{~Pa}}\); \(\mathrm{\left.R=8.314 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right]}\)

1 \(\mathrm{1.27 \times 10^{-3}}\)
2 \(\mathrm{5.56 \times 10^{-3}}\)
3 \(\mathrm{1.53 \times 10^{-2}}\)
4 \(\mathrm{4.46 \times 10^{-2}}\)
CHXI06:STATES OF MATTER

314213 What will be the pressure of the gaseous mixture when \(\mathrm{0.5 \mathrm{~L}}\) of \(\mathrm{\mathrm{H}_{2}}\) at 0.8 bar and \(\mathrm{2 \mathrm{~L}}\) of oxygen at 0.7 bar are introduced in \(\mathrm{1 \mathrm{~L}}\) vessel at \(\mathrm{27^{\circ} \mathrm{C}}\) ?

1 \(\mathrm{1.8 \mathrm{bar}}\)
2 \(\mathrm{0.4 \mathrm{bar}}\)
3 \(\mathrm{1.4 \mathrm{bar}}\)
4 \(\mathrm{2.5 \mathrm{bar}}\)
CHXI06:STATES OF MATTER

314214 0.5 moles of gas \(\mathrm{A}\) and \(\mathrm{x}\) moles of gas \(\mathrm{B}\) exert a pressure of \(\mathrm{200 \mathrm{~Pa}}\) in a container of volume 10 \(\mathrm{\mathrm{m}^{3}}\) at \(\mathrm{1000 \mathrm{~K}}\). Given \(\mathrm{R}\) is the gas constant in \({\rm{J}}{{\rm{K}}^{{\rm{ - 1}}}}{\rm{\;mo}}{{\rm{l}}^{{\rm{ - 1}}}}{\rm{.}}\) The value of 'x' is

1 \(\mathrm{\dfrac{2 R}{4+R}}\)
2 \(\mathrm{\dfrac{2 R}{4-R}}\)
3 \(\mathrm{\dfrac{4-R}{2 R}}\)
4 \(\mathrm{\dfrac{4+R}{2 R}}\)
JEE - 2018
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CHXI06:STATES OF MATTER

314211 The volume of \(\mathrm{0.0168 \mathrm{~mol}}\) of \(\mathrm{O_{2}}\) obtained by decomposition of \(\mathrm{\mathrm{KClO}_{3}}\) and collected by displacement of water is \(\mathrm{428 \mathrm{~mL}}\) at pressure \(\mathrm{754 \mathrm{~mm}}\) of \(\mathrm{\mathrm{Hg}}\) at \(\mathrm{25^{\circ} \mathrm{C}}\). The pressure of water vapour (in \(\mathrm{\mathrm{mm}}\) of \(\mathrm{\mathrm{Hg}}\) ) at \(\mathrm{25^{\circ} \mathrm{C}}\) is

1 18.5
2 20.6
3 22.3
4 24.6
CHXI06:STATES OF MATTER

314212 If \({\rm{1}}{{\rm{0}}^{{\rm{ - 4}}}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\) of water is introduced into a \({\rm{1}}{\rm{.0}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\) flask at \(\mathrm{300 \mathrm{~K}}\), then the number of moles of water formed in the vapour phase when equilibrium is established is [Given: Vapour pressure of \(\mathrm{\mathrm{H}_{2} \mathrm{O}}\) at \(\mathrm{300 \mathrm{~K}}\) is \(\mathrm{3170 \mathrm{~Pa}}\); \(\mathrm{\left.R=8.314 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right]}\)

1 \(\mathrm{1.27 \times 10^{-3}}\)
2 \(\mathrm{5.56 \times 10^{-3}}\)
3 \(\mathrm{1.53 \times 10^{-2}}\)
4 \(\mathrm{4.46 \times 10^{-2}}\)
CHXI06:STATES OF MATTER

314213 What will be the pressure of the gaseous mixture when \(\mathrm{0.5 \mathrm{~L}}\) of \(\mathrm{\mathrm{H}_{2}}\) at 0.8 bar and \(\mathrm{2 \mathrm{~L}}\) of oxygen at 0.7 bar are introduced in \(\mathrm{1 \mathrm{~L}}\) vessel at \(\mathrm{27^{\circ} \mathrm{C}}\) ?

1 \(\mathrm{1.8 \mathrm{bar}}\)
2 \(\mathrm{0.4 \mathrm{bar}}\)
3 \(\mathrm{1.4 \mathrm{bar}}\)
4 \(\mathrm{2.5 \mathrm{bar}}\)
CHXI06:STATES OF MATTER

314214 0.5 moles of gas \(\mathrm{A}\) and \(\mathrm{x}\) moles of gas \(\mathrm{B}\) exert a pressure of \(\mathrm{200 \mathrm{~Pa}}\) in a container of volume 10 \(\mathrm{\mathrm{m}^{3}}\) at \(\mathrm{1000 \mathrm{~K}}\). Given \(\mathrm{R}\) is the gas constant in \({\rm{J}}{{\rm{K}}^{{\rm{ - 1}}}}{\rm{\;mo}}{{\rm{l}}^{{\rm{ - 1}}}}{\rm{.}}\) The value of 'x' is

1 \(\mathrm{\dfrac{2 R}{4+R}}\)
2 \(\mathrm{\dfrac{2 R}{4-R}}\)
3 \(\mathrm{\dfrac{4-R}{2 R}}\)
4 \(\mathrm{\dfrac{4+R}{2 R}}\)
JEE - 2018
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CHXI06:STATES OF MATTER

314211 The volume of \(\mathrm{0.0168 \mathrm{~mol}}\) of \(\mathrm{O_{2}}\) obtained by decomposition of \(\mathrm{\mathrm{KClO}_{3}}\) and collected by displacement of water is \(\mathrm{428 \mathrm{~mL}}\) at pressure \(\mathrm{754 \mathrm{~mm}}\) of \(\mathrm{\mathrm{Hg}}\) at \(\mathrm{25^{\circ} \mathrm{C}}\). The pressure of water vapour (in \(\mathrm{\mathrm{mm}}\) of \(\mathrm{\mathrm{Hg}}\) ) at \(\mathrm{25^{\circ} \mathrm{C}}\) is

1 18.5
2 20.6
3 22.3
4 24.6
CHXI06:STATES OF MATTER

314212 If \({\rm{1}}{{\rm{0}}^{{\rm{ - 4}}}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\) of water is introduced into a \({\rm{1}}{\rm{.0}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\) flask at \(\mathrm{300 \mathrm{~K}}\), then the number of moles of water formed in the vapour phase when equilibrium is established is [Given: Vapour pressure of \(\mathrm{\mathrm{H}_{2} \mathrm{O}}\) at \(\mathrm{300 \mathrm{~K}}\) is \(\mathrm{3170 \mathrm{~Pa}}\); \(\mathrm{\left.R=8.314 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right]}\)

1 \(\mathrm{1.27 \times 10^{-3}}\)
2 \(\mathrm{5.56 \times 10^{-3}}\)
3 \(\mathrm{1.53 \times 10^{-2}}\)
4 \(\mathrm{4.46 \times 10^{-2}}\)
CHXI06:STATES OF MATTER

314213 What will be the pressure of the gaseous mixture when \(\mathrm{0.5 \mathrm{~L}}\) of \(\mathrm{\mathrm{H}_{2}}\) at 0.8 bar and \(\mathrm{2 \mathrm{~L}}\) of oxygen at 0.7 bar are introduced in \(\mathrm{1 \mathrm{~L}}\) vessel at \(\mathrm{27^{\circ} \mathrm{C}}\) ?

1 \(\mathrm{1.8 \mathrm{bar}}\)
2 \(\mathrm{0.4 \mathrm{bar}}\)
3 \(\mathrm{1.4 \mathrm{bar}}\)
4 \(\mathrm{2.5 \mathrm{bar}}\)
CHXI06:STATES OF MATTER

314214 0.5 moles of gas \(\mathrm{A}\) and \(\mathrm{x}\) moles of gas \(\mathrm{B}\) exert a pressure of \(\mathrm{200 \mathrm{~Pa}}\) in a container of volume 10 \(\mathrm{\mathrm{m}^{3}}\) at \(\mathrm{1000 \mathrm{~K}}\). Given \(\mathrm{R}\) is the gas constant in \({\rm{J}}{{\rm{K}}^{{\rm{ - 1}}}}{\rm{\;mo}}{{\rm{l}}^{{\rm{ - 1}}}}{\rm{.}}\) The value of 'x' is

1 \(\mathrm{\dfrac{2 R}{4+R}}\)
2 \(\mathrm{\dfrac{2 R}{4-R}}\)
3 \(\mathrm{\dfrac{4-R}{2 R}}\)
4 \(\mathrm{\dfrac{4+R}{2 R}}\)
JEE - 2018
NEET DIGITAL LIBRARY
CHXI06:STATES OF MATTER

314211 The volume of \(\mathrm{0.0168 \mathrm{~mol}}\) of \(\mathrm{O_{2}}\) obtained by decomposition of \(\mathrm{\mathrm{KClO}_{3}}\) and collected by displacement of water is \(\mathrm{428 \mathrm{~mL}}\) at pressure \(\mathrm{754 \mathrm{~mm}}\) of \(\mathrm{\mathrm{Hg}}\) at \(\mathrm{25^{\circ} \mathrm{C}}\). The pressure of water vapour (in \(\mathrm{\mathrm{mm}}\) of \(\mathrm{\mathrm{Hg}}\) ) at \(\mathrm{25^{\circ} \mathrm{C}}\) is

1 18.5
2 20.6
3 22.3
4 24.6
CHXI06:STATES OF MATTER

314212 If \({\rm{1}}{{\rm{0}}^{{\rm{ - 4}}}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\) of water is introduced into a \({\rm{1}}{\rm{.0}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\) flask at \(\mathrm{300 \mathrm{~K}}\), then the number of moles of water formed in the vapour phase when equilibrium is established is [Given: Vapour pressure of \(\mathrm{\mathrm{H}_{2} \mathrm{O}}\) at \(\mathrm{300 \mathrm{~K}}\) is \(\mathrm{3170 \mathrm{~Pa}}\); \(\mathrm{\left.R=8.314 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}\right]}\)

1 \(\mathrm{1.27 \times 10^{-3}}\)
2 \(\mathrm{5.56 \times 10^{-3}}\)
3 \(\mathrm{1.53 \times 10^{-2}}\)
4 \(\mathrm{4.46 \times 10^{-2}}\)
CHXI06:STATES OF MATTER

314213 What will be the pressure of the gaseous mixture when \(\mathrm{0.5 \mathrm{~L}}\) of \(\mathrm{\mathrm{H}_{2}}\) at 0.8 bar and \(\mathrm{2 \mathrm{~L}}\) of oxygen at 0.7 bar are introduced in \(\mathrm{1 \mathrm{~L}}\) vessel at \(\mathrm{27^{\circ} \mathrm{C}}\) ?

1 \(\mathrm{1.8 \mathrm{bar}}\)
2 \(\mathrm{0.4 \mathrm{bar}}\)
3 \(\mathrm{1.4 \mathrm{bar}}\)
4 \(\mathrm{2.5 \mathrm{bar}}\)
CHXI06:STATES OF MATTER

314214 0.5 moles of gas \(\mathrm{A}\) and \(\mathrm{x}\) moles of gas \(\mathrm{B}\) exert a pressure of \(\mathrm{200 \mathrm{~Pa}}\) in a container of volume 10 \(\mathrm{\mathrm{m}^{3}}\) at \(\mathrm{1000 \mathrm{~K}}\). Given \(\mathrm{R}\) is the gas constant in \({\rm{J}}{{\rm{K}}^{{\rm{ - 1}}}}{\rm{\;mo}}{{\rm{l}}^{{\rm{ - 1}}}}{\rm{.}}\) The value of 'x' is

1 \(\mathrm{\dfrac{2 R}{4+R}}\)
2 \(\mathrm{\dfrac{2 R}{4-R}}\)
3 \(\mathrm{\dfrac{4-R}{2 R}}\)
4 \(\mathrm{\dfrac{4+R}{2 R}}\)
JEE - 2018
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