Embibe Experts Solutions for Chapter: Solutions, Exercise 1: GUJCET 2018

Which solution is isotonic with $6\% \mathrm{w}/\mathrm{v}$ aqueous solution of urea? [Molar mass of Urea$=60 \mathrm{gm}. {\mathrm{mol}}^{-1}$ ]

What is the normality of aqueous solution of ${\mathrm{H}}_2{\mathrm{SO}}_4$ having $\mathrm{pH}=1.$

How many grams of ${\mathrm{Cl}}_2$ gas will be obtained by the complete reaction of $31.6 \mathrm{gm}$ of potassium permanganate with hydrochloric acid?

$\text{ [Mole mass of }\left.{\mathrm{KMnO}}_4=316\mathrm{gm}/\mathrm{mol}\right]$

Which of the following mixture is non-ideal solution?

Which of the following aqueous solution will have the boiling point $102.2°\mathrm{C}?$ The molal elevation constant for water is $2.2 \mathrm{K} \mathrm{kg}{ \mathrm{mol}}^{-1}.$

The depression in freezing point for $0.01 \mathrm{m}$ aqueous solution of ${\mathrm{K}}_{\mathrm{x}}\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]$ is $0.0744 \mathrm{K}.$ The molal depression constant for solvent is $1.86 \mathrm{K} \mathrm{kg}{ \mathrm{mol}}^{-1}.$ If the solute undergoes complete dissociation, what is the correct molecular formula for the solute?

At certain temperature $1.6\%$ solution of an unknown substance is isotonic with $2.4\%$ solution of Urea. If both the solutions have the same solvent and both the solutions have same density $1 \mathrm{gm}/{\mathrm{cm}}^3,$ what will be the molecular mass of unknown substance in $\mathrm{gm} {\mathrm{mol}}^{-1}.$

[Molecular mass of urea $=60 \mathrm{gm} {\mathrm{mol}}^{-1}$]