Elevation in Boiling Point
CHXII02:SOLUTIONS

319154 The boiling point of pure benzene is \(80.1\;^\circ {\text{C}}\). When 2 g of a non-volatile solute (molar mass \({\mathrm{=60 \mathrm{~g} \mathrm{~mol}^{-1}}}\) ) was dissolved in 100 g of benzene. The solution will boil at ____ \(^\circ {\text{C}}\).
\({\mathrm{\left(\mathrm{K}_{\mathrm{b}}\right.}}\) for benzene \({\mathrm{\left.=2.53 \mathrm{~K} \mathrm{~m}^{-1}\right)}}\)

1 80.94
2 353.94
3 280.5
4 180.94
CHXII02:SOLUTIONS

319155 The ratio of difference in boiling point of a solution and that of pure solvent to its molality is known as

1 elevation in boiling point
2 cryoscopic constant
3 depression in freezing point
4 molal elevation constant
CHXII02:SOLUTIONS

319156 What is boiling point of a decimolal aqueous solution of glucose if molal elevation constant for water is \(0.52^\circ {\text{C}}\,{\text{kg}}\,\,{\text{mo}}{{\text{l}}^{ - 1}}\)?

1 \(101.52^{\circ} \mathrm{C}\)
2 \(99.95^{\circ} \mathrm{C}\)
3 \(99.48^{\circ} \mathrm{C}\)
4 \(100.052^{\circ} \mathrm{C}\)
CHXII02:SOLUTIONS

319157 The elevation in boiling point of 0.25 molal aqueous solution of a substance is
\(\left( {{{\rm{K}}_{\rm{b}}}{\rm{ = 0}}{\rm{.52K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right)\)

1 0.15 K
2 0.50 K
3 0.13 K
4 2.08 K
CHXII02:SOLUTIONS

319154 The boiling point of pure benzene is \(80.1\;^\circ {\text{C}}\). When 2 g of a non-volatile solute (molar mass \({\mathrm{=60 \mathrm{~g} \mathrm{~mol}^{-1}}}\) ) was dissolved in 100 g of benzene. The solution will boil at ____ \(^\circ {\text{C}}\).
\({\mathrm{\left(\mathrm{K}_{\mathrm{b}}\right.}}\) for benzene \({\mathrm{\left.=2.53 \mathrm{~K} \mathrm{~m}^{-1}\right)}}\)

1 80.94
2 353.94
3 280.5
4 180.94
CHXII02:SOLUTIONS

319155 The ratio of difference in boiling point of a solution and that of pure solvent to its molality is known as

1 elevation in boiling point
2 cryoscopic constant
3 depression in freezing point
4 molal elevation constant
CHXII02:SOLUTIONS

319156 What is boiling point of a decimolal aqueous solution of glucose if molal elevation constant for water is \(0.52^\circ {\text{C}}\,{\text{kg}}\,\,{\text{mo}}{{\text{l}}^{ - 1}}\)?

1 \(101.52^{\circ} \mathrm{C}\)
2 \(99.95^{\circ} \mathrm{C}\)
3 \(99.48^{\circ} \mathrm{C}\)
4 \(100.052^{\circ} \mathrm{C}\)
CHXII02:SOLUTIONS

319157 The elevation in boiling point of 0.25 molal aqueous solution of a substance is
\(\left( {{{\rm{K}}_{\rm{b}}}{\rm{ = 0}}{\rm{.52K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right)\)

1 0.15 K
2 0.50 K
3 0.13 K
4 2.08 K
CHXII02:SOLUTIONS

319154 The boiling point of pure benzene is \(80.1\;^\circ {\text{C}}\). When 2 g of a non-volatile solute (molar mass \({\mathrm{=60 \mathrm{~g} \mathrm{~mol}^{-1}}}\) ) was dissolved in 100 g of benzene. The solution will boil at ____ \(^\circ {\text{C}}\).
\({\mathrm{\left(\mathrm{K}_{\mathrm{b}}\right.}}\) for benzene \({\mathrm{\left.=2.53 \mathrm{~K} \mathrm{~m}^{-1}\right)}}\)

1 80.94
2 353.94
3 280.5
4 180.94
CHXII02:SOLUTIONS

319155 The ratio of difference in boiling point of a solution and that of pure solvent to its molality is known as

1 elevation in boiling point
2 cryoscopic constant
3 depression in freezing point
4 molal elevation constant
CHXII02:SOLUTIONS

319156 What is boiling point of a decimolal aqueous solution of glucose if molal elevation constant for water is \(0.52^\circ {\text{C}}\,{\text{kg}}\,\,{\text{mo}}{{\text{l}}^{ - 1}}\)?

1 \(101.52^{\circ} \mathrm{C}\)
2 \(99.95^{\circ} \mathrm{C}\)
3 \(99.48^{\circ} \mathrm{C}\)
4 \(100.052^{\circ} \mathrm{C}\)
CHXII02:SOLUTIONS

319157 The elevation in boiling point of 0.25 molal aqueous solution of a substance is
\(\left( {{{\rm{K}}_{\rm{b}}}{\rm{ = 0}}{\rm{.52K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right)\)

1 0.15 K
2 0.50 K
3 0.13 K
4 2.08 K
CHXII02:SOLUTIONS

319154 The boiling point of pure benzene is \(80.1\;^\circ {\text{C}}\). When 2 g of a non-volatile solute (molar mass \({\mathrm{=60 \mathrm{~g} \mathrm{~mol}^{-1}}}\) ) was dissolved in 100 g of benzene. The solution will boil at ____ \(^\circ {\text{C}}\).
\({\mathrm{\left(\mathrm{K}_{\mathrm{b}}\right.}}\) for benzene \({\mathrm{\left.=2.53 \mathrm{~K} \mathrm{~m}^{-1}\right)}}\)

1 80.94
2 353.94
3 280.5
4 180.94
CHXII02:SOLUTIONS

319155 The ratio of difference in boiling point of a solution and that of pure solvent to its molality is known as

1 elevation in boiling point
2 cryoscopic constant
3 depression in freezing point
4 molal elevation constant
CHXII02:SOLUTIONS

319156 What is boiling point of a decimolal aqueous solution of glucose if molal elevation constant for water is \(0.52^\circ {\text{C}}\,{\text{kg}}\,\,{\text{mo}}{{\text{l}}^{ - 1}}\)?

1 \(101.52^{\circ} \mathrm{C}\)
2 \(99.95^{\circ} \mathrm{C}\)
3 \(99.48^{\circ} \mathrm{C}\)
4 \(100.052^{\circ} \mathrm{C}\)
CHXII02:SOLUTIONS

319157 The elevation in boiling point of 0.25 molal aqueous solution of a substance is
\(\left( {{{\rm{K}}_{\rm{b}}}{\rm{ = 0}}{\rm{.52K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right)\)

1 0.15 K
2 0.50 K
3 0.13 K
4 2.08 K