Abnormal Molar Masses and Van't Hoff Factor
« First Topic in Next Topic: Colligative Properties »
CHXII02:SOLUTIONS

319020 Read Assertion and Reason carefully to mark the correct option given below.
Assertion :
The molar mass obtained for benzoic acid in benzene is found to be nearly 244 .
Reason :
Benzoic acid has the formula.
supporting img

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII02:SOLUTIONS

319021 A solution with osmotic pressure 4.92 atm, is formed by dissolving ‘x’ g of a non -electrolyte compound in 1 L of 0.05 M NaCl aqueous solution at \({\rm{2}}{{\rm{7}}^{\rm{^\circ }}}{\rm{C}}\). By assuming complete dissociation of NaCl and ideal behaviour of this solution, the value of ‘x’ is (Given, molar mass of non - electrolyte compound = 200 g/mol)

1 30 g
2 20 g
3 15 g
4 10 g
CHXII02:SOLUTIONS

319022 Which of the following aqueous solution has maximum freezing point?

1 \({\rm{0}}{\rm{.01}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{NaCl}}\)
2 \({\rm{0}}{\rm{.005}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\)
3 \({\rm{0}}{\rm{.005}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{Mg}}{{\rm{I}}_{\rm{2}}}\)
4 \({\rm{0}}{\rm{.01}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{MgS}}{{\rm{O}}_{\rm{4}}}\)
CHXII02:SOLUTIONS

319023 If a centimolal aqueous solution of \({{\rm{K}}_{\rm{3}}}\left[ {{\rm{Fe}}{{\left( {{\rm{CN}}} \right)}_{\rm{6}}}} \right]\) has degree of dissociation 0.78. What is the value of van’t Hoff factor?

1 1.2
2 \(4.0\)
3 3.34
4 2.5
For More Updates join with Us
CHXII02:SOLUTIONS

319020 Read Assertion and Reason carefully to mark the correct option given below.
Assertion :
The molar mass obtained for benzoic acid in benzene is found to be nearly 244 .
Reason :
Benzoic acid has the formula.
supporting img

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII02:SOLUTIONS

319021 A solution with osmotic pressure 4.92 atm, is formed by dissolving ‘x’ g of a non -electrolyte compound in 1 L of 0.05 M NaCl aqueous solution at \({\rm{2}}{{\rm{7}}^{\rm{^\circ }}}{\rm{C}}\). By assuming complete dissociation of NaCl and ideal behaviour of this solution, the value of ‘x’ is (Given, molar mass of non - electrolyte compound = 200 g/mol)

1 30 g
2 20 g
3 15 g
4 10 g
CHXII02:SOLUTIONS

319022 Which of the following aqueous solution has maximum freezing point?

1 \({\rm{0}}{\rm{.01}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{NaCl}}\)
2 \({\rm{0}}{\rm{.005}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\)
3 \({\rm{0}}{\rm{.005}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{Mg}}{{\rm{I}}_{\rm{2}}}\)
4 \({\rm{0}}{\rm{.01}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{MgS}}{{\rm{O}}_{\rm{4}}}\)
CHXII02:SOLUTIONS

319023 If a centimolal aqueous solution of \({{\rm{K}}_{\rm{3}}}\left[ {{\rm{Fe}}{{\left( {{\rm{CN}}} \right)}_{\rm{6}}}} \right]\) has degree of dissociation 0.78. What is the value of van’t Hoff factor?

1 1.2
2 \(4.0\)
3 3.34
4 2.5
NEET DIGITAL LIBRARY
CHXII02:SOLUTIONS

319020 Read Assertion and Reason carefully to mark the correct option given below.
Assertion :
The molar mass obtained for benzoic acid in benzene is found to be nearly 244 .
Reason :
Benzoic acid has the formula.
supporting img

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII02:SOLUTIONS

319021 A solution with osmotic pressure 4.92 atm, is formed by dissolving ‘x’ g of a non -electrolyte compound in 1 L of 0.05 M NaCl aqueous solution at \({\rm{2}}{{\rm{7}}^{\rm{^\circ }}}{\rm{C}}\). By assuming complete dissociation of NaCl and ideal behaviour of this solution, the value of ‘x’ is (Given, molar mass of non - electrolyte compound = 200 g/mol)

1 30 g
2 20 g
3 15 g
4 10 g
CHXII02:SOLUTIONS

319022 Which of the following aqueous solution has maximum freezing point?

1 \({\rm{0}}{\rm{.01}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{NaCl}}\)
2 \({\rm{0}}{\rm{.005}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\)
3 \({\rm{0}}{\rm{.005}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{Mg}}{{\rm{I}}_{\rm{2}}}\)
4 \({\rm{0}}{\rm{.01}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{MgS}}{{\rm{O}}_{\rm{4}}}\)
CHXII02:SOLUTIONS

319023 If a centimolal aqueous solution of \({{\rm{K}}_{\rm{3}}}\left[ {{\rm{Fe}}{{\left( {{\rm{CN}}} \right)}_{\rm{6}}}} \right]\) has degree of dissociation 0.78. What is the value of van’t Hoff factor?

1 1.2
2 \(4.0\)
3 3.34
4 2.5
Join With Us for More Updates
CHXII02:SOLUTIONS

319020 Read Assertion and Reason carefully to mark the correct option given below.
Assertion :
The molar mass obtained for benzoic acid in benzene is found to be nearly 244 .
Reason :
Benzoic acid has the formula.
supporting img

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXII02:SOLUTIONS

319021 A solution with osmotic pressure 4.92 atm, is formed by dissolving ‘x’ g of a non -electrolyte compound in 1 L of 0.05 M NaCl aqueous solution at \({\rm{2}}{{\rm{7}}^{\rm{^\circ }}}{\rm{C}}\). By assuming complete dissociation of NaCl and ideal behaviour of this solution, the value of ‘x’ is (Given, molar mass of non - electrolyte compound = 200 g/mol)

1 30 g
2 20 g
3 15 g
4 10 g
CHXII02:SOLUTIONS

319022 Which of the following aqueous solution has maximum freezing point?

1 \({\rm{0}}{\rm{.01}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{NaCl}}\)
2 \({\rm{0}}{\rm{.005}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\)
3 \({\rm{0}}{\rm{.005}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{Mg}}{{\rm{I}}_{\rm{2}}}\)
4 \({\rm{0}}{\rm{.01}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{MgS}}{{\rm{O}}_{\rm{4}}}\)
CHXII02:SOLUTIONS

319023 If a centimolal aqueous solution of \({{\rm{K}}_{\rm{3}}}\left[ {{\rm{Fe}}{{\left( {{\rm{CN}}} \right)}_{\rm{6}}}} \right]\) has degree of dissociation 0.78. What is the value of van’t Hoff factor?

1 1.2
2 \(4.0\)
3 3.34
4 2.5
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here