Abnormal Molar Masses and Van't Hoff Factor
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CHXII02:SOLUTIONS

319046 Match column \({\rm{I}}\) with column \({\rm{II}}\).
supporting img

1 A - S, B - R, C - Q, D - P
2 A - Q, B - P, C - R, D - S
3 A - R, B - Q, C - S, D - P
4 A - Q, B - S, C - P, D - R
CHXII02:SOLUTIONS

319047 If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water \(\left( {{\rm{\Delta }}{{\rm{T}}_{\rm{f}}}} \right)\), when 0.01 mole of sodium sulphate is dissolved in 1 kg of water is
\(\left( {{{\rm{K}}_{\rm{f}}}{\rm{ = 1}}{\rm{.86}}{\mkern 1mu} {\mkern 1mu} {\rm{K}}{\rm{.kg/mol}}} \right)\)

1 0.0186 K
2 0.0744 K
3 0.0372 K
4 0.0558 K
CHXII02:SOLUTIONS

319048 Statement A :
If 0.1 M NaCl solution boils at \({\rm{10}}{{\rm{1}}^{\rm{^\circ }}}{\rm{C,}}\), then \({\rm{0}}{\rm{.1}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) solution boil at appr. \({\rm{101}}{\rm{.}}{{\rm{5}}^{\rm{^\circ }}}{\rm{C}}\)
Statement B :
\({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) has higher molecular mass than NaCl

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319049 Match column I with column II.
supporting img

\({\rm{M}}{{\rm{W}}_{_{\rm{N}}}} = \) Normal molecular mass of solute
\({\rm{M}}{{\rm{W}}_{_2}} = \) Observed molecular mass of solute from colligative property measurement

1 A - R,S, B - R, C - P, D - Q
2 A - R,S, B - R, C - Q, D - P
3 A - S, B - P, C - R, D - Q
4 A - P,Q, B - P, C - R, D - Q
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CHXII02:SOLUTIONS

319046 Match column \({\rm{I}}\) with column \({\rm{II}}\).
supporting img

1 A - S, B - R, C - Q, D - P
2 A - Q, B - P, C - R, D - S
3 A - R, B - Q, C - S, D - P
4 A - Q, B - S, C - P, D - R
CHXII02:SOLUTIONS

319047 If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water \(\left( {{\rm{\Delta }}{{\rm{T}}_{\rm{f}}}} \right)\), when 0.01 mole of sodium sulphate is dissolved in 1 kg of water is
\(\left( {{{\rm{K}}_{\rm{f}}}{\rm{ = 1}}{\rm{.86}}{\mkern 1mu} {\mkern 1mu} {\rm{K}}{\rm{.kg/mol}}} \right)\)

1 0.0186 K
2 0.0744 K
3 0.0372 K
4 0.0558 K
CHXII02:SOLUTIONS

319048 Statement A :
If 0.1 M NaCl solution boils at \({\rm{10}}{{\rm{1}}^{\rm{^\circ }}}{\rm{C,}}\), then \({\rm{0}}{\rm{.1}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) solution boil at appr. \({\rm{101}}{\rm{.}}{{\rm{5}}^{\rm{^\circ }}}{\rm{C}}\)
Statement B :
\({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) has higher molecular mass than NaCl

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319049 Match column I with column II.
supporting img

\({\rm{M}}{{\rm{W}}_{_{\rm{N}}}} = \) Normal molecular mass of solute
\({\rm{M}}{{\rm{W}}_{_2}} = \) Observed molecular mass of solute from colligative property measurement

1 A - R,S, B - R, C - P, D - Q
2 A - R,S, B - R, C - Q, D - P
3 A - S, B - P, C - R, D - Q
4 A - P,Q, B - P, C - R, D - Q
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CHXII02:SOLUTIONS

319046 Match column \({\rm{I}}\) with column \({\rm{II}}\).
supporting img

1 A - S, B - R, C - Q, D - P
2 A - Q, B - P, C - R, D - S
3 A - R, B - Q, C - S, D - P
4 A - Q, B - S, C - P, D - R
CHXII02:SOLUTIONS

319047 If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water \(\left( {{\rm{\Delta }}{{\rm{T}}_{\rm{f}}}} \right)\), when 0.01 mole of sodium sulphate is dissolved in 1 kg of water is
\(\left( {{{\rm{K}}_{\rm{f}}}{\rm{ = 1}}{\rm{.86}}{\mkern 1mu} {\mkern 1mu} {\rm{K}}{\rm{.kg/mol}}} \right)\)

1 0.0186 K
2 0.0744 K
3 0.0372 K
4 0.0558 K
CHXII02:SOLUTIONS

319048 Statement A :
If 0.1 M NaCl solution boils at \({\rm{10}}{{\rm{1}}^{\rm{^\circ }}}{\rm{C,}}\), then \({\rm{0}}{\rm{.1}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) solution boil at appr. \({\rm{101}}{\rm{.}}{{\rm{5}}^{\rm{^\circ }}}{\rm{C}}\)
Statement B :
\({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) has higher molecular mass than NaCl

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319049 Match column I with column II.
supporting img

\({\rm{M}}{{\rm{W}}_{_{\rm{N}}}} = \) Normal molecular mass of solute
\({\rm{M}}{{\rm{W}}_{_2}} = \) Observed molecular mass of solute from colligative property measurement

1 A - R,S, B - R, C - P, D - Q
2 A - R,S, B - R, C - Q, D - P
3 A - S, B - P, C - R, D - Q
4 A - P,Q, B - P, C - R, D - Q
NEET DIGITAL LIBRARY
CHXII02:SOLUTIONS

319046 Match column \({\rm{I}}\) with column \({\rm{II}}\).
supporting img

1 A - S, B - R, C - Q, D - P
2 A - Q, B - P, C - R, D - S
3 A - R, B - Q, C - S, D - P
4 A - Q, B - S, C - P, D - R
CHXII02:SOLUTIONS

319047 If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution, the change in freezing point of water \(\left( {{\rm{\Delta }}{{\rm{T}}_{\rm{f}}}} \right)\), when 0.01 mole of sodium sulphate is dissolved in 1 kg of water is
\(\left( {{{\rm{K}}_{\rm{f}}}{\rm{ = 1}}{\rm{.86}}{\mkern 1mu} {\mkern 1mu} {\rm{K}}{\rm{.kg/mol}}} \right)\)

1 0.0186 K
2 0.0744 K
3 0.0372 K
4 0.0558 K
CHXII02:SOLUTIONS

319048 Statement A :
If 0.1 M NaCl solution boils at \({\rm{10}}{{\rm{1}}^{\rm{^\circ }}}{\rm{C,}}\), then \({\rm{0}}{\rm{.1}}{\mkern 1mu} {\mkern 1mu} {\rm{M}}{\mkern 1mu} {\mkern 1mu} {\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) solution boil at appr. \({\rm{101}}{\rm{.}}{{\rm{5}}^{\rm{^\circ }}}{\rm{C}}\)
Statement B :
\({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) has higher molecular mass than NaCl

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319049 Match column I with column II.
supporting img

\({\rm{M}}{{\rm{W}}_{_{\rm{N}}}} = \) Normal molecular mass of solute
\({\rm{M}}{{\rm{W}}_{_2}} = \) Observed molecular mass of solute from colligative property measurement

1 A - R,S, B - R, C - P, D - Q
2 A - R,S, B - R, C - Q, D - P
3 A - S, B - P, C - R, D - Q
4 A - P,Q, B - P, C - R, D - Q
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