Expressing Concentration of Solutions
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CHXII02:SOLUTIONS

319224 \(4.0\;{\rm{g}}\) of \({\rm{NaOH}}\) is dissolved in \(100\;{\rm{mL}}\) solution. The normality of the solution is

1 \(0.1 \mathrm{~N}\)
2 \(0.5 \mathrm{~N}\)
3 \(4.0 \mathrm{~N}\)
4 \(1.0 \mathrm{~N}\)
CHXII02:SOLUTIONS

319225 10 g of NaCl is dissolved in \({\rm{1}}{{\rm{0}}^{\rm{6}}}{\rm{g}}\) of the solution. Its concentration is:

1 100 ppm
2 0.1 ppm
3 1 ppm
4 10 ppm
CHXII02:SOLUTIONS

319226 Assertion :
One molar aqueous solution has always higher concentration than one molal.
Reason :
The molality of a solution depends upon the density of the solution whereas molarity does not.

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

319227 A 5.2 molal aqueous solution of \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{OH}}\) is supplied. What is the mole fraction of methyl alcohol in the solution?

1 0.086
2 \(0.190\)
3 \(0.050\)
4 \(0.100\)
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CHXII02:SOLUTIONS

319224 \(4.0\;{\rm{g}}\) of \({\rm{NaOH}}\) is dissolved in \(100\;{\rm{mL}}\) solution. The normality of the solution is

1 \(0.1 \mathrm{~N}\)
2 \(0.5 \mathrm{~N}\)
3 \(4.0 \mathrm{~N}\)
4 \(1.0 \mathrm{~N}\)
CHXII02:SOLUTIONS

319225 10 g of NaCl is dissolved in \({\rm{1}}{{\rm{0}}^{\rm{6}}}{\rm{g}}\) of the solution. Its concentration is:

1 100 ppm
2 0.1 ppm
3 1 ppm
4 10 ppm
CHXII02:SOLUTIONS

319226 Assertion :
One molar aqueous solution has always higher concentration than one molal.
Reason :
The molality of a solution depends upon the density of the solution whereas molarity does not.

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

319227 A 5.2 molal aqueous solution of \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{OH}}\) is supplied. What is the mole fraction of methyl alcohol in the solution?

1 0.086
2 \(0.190\)
3 \(0.050\)
4 \(0.100\)
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CHXII02:SOLUTIONS

319224 \(4.0\;{\rm{g}}\) of \({\rm{NaOH}}\) is dissolved in \(100\;{\rm{mL}}\) solution. The normality of the solution is

1 \(0.1 \mathrm{~N}\)
2 \(0.5 \mathrm{~N}\)
3 \(4.0 \mathrm{~N}\)
4 \(1.0 \mathrm{~N}\)
CHXII02:SOLUTIONS

319225 10 g of NaCl is dissolved in \({\rm{1}}{{\rm{0}}^{\rm{6}}}{\rm{g}}\) of the solution. Its concentration is:

1 100 ppm
2 0.1 ppm
3 1 ppm
4 10 ppm
CHXII02:SOLUTIONS

319226 Assertion :
One molar aqueous solution has always higher concentration than one molal.
Reason :
The molality of a solution depends upon the density of the solution whereas molarity does not.

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

319227 A 5.2 molal aqueous solution of \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{OH}}\) is supplied. What is the mole fraction of methyl alcohol in the solution?

1 0.086
2 \(0.190\)
3 \(0.050\)
4 \(0.100\)
NEET DIGITAL LIBRARY
CHXII02:SOLUTIONS

319224 \(4.0\;{\rm{g}}\) of \({\rm{NaOH}}\) is dissolved in \(100\;{\rm{mL}}\) solution. The normality of the solution is

1 \(0.1 \mathrm{~N}\)
2 \(0.5 \mathrm{~N}\)
3 \(4.0 \mathrm{~N}\)
4 \(1.0 \mathrm{~N}\)
CHXII02:SOLUTIONS

319225 10 g of NaCl is dissolved in \({\rm{1}}{{\rm{0}}^{\rm{6}}}{\rm{g}}\) of the solution. Its concentration is:

1 100 ppm
2 0.1 ppm
3 1 ppm
4 10 ppm
CHXII02:SOLUTIONS

319226 Assertion :
One molar aqueous solution has always higher concentration than one molal.
Reason :
The molality of a solution depends upon the density of the solution whereas molarity does not.

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

319227 A 5.2 molal aqueous solution of \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{OH}}\) is supplied. What is the mole fraction of methyl alcohol in the solution?

1 0.086
2 \(0.190\)
3 \(0.050\)
4 \(0.100\)
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