MCQ
Which of the following is an ideal solution
- AWater + ethanol
- BChloroform + carbon tetrachloride
- ✓Benzene + toluene
- DWater + hydrochloric acid
Chloroform $+$ carbon tetrachloride show positive deviation from Raoult's law Water $+ HCl$ is a non-ideal solution showing negative deviations from Raoult's law.
In a Benzene-toluene mixture, $A - B$ interactions are almost equal to $A - A$ and $B -B$ interactions due to the very small difference in the two compounds, i.e., they differ just by one $CH_2$ group. Hence, no deviation will occur from Raoult's law.
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(The freezing point depression constant for water $=2\; \mathrm{K}\; \mathrm{kg} \;\mathrm{mol}^{-1}$ )
$A: \left[ Ni ( en )_{3}\right]^{2+}, B :\left[ Ni \left( NH _{3}\right)_{6}\right]^{2+}, C :\left[ Ni \left( H _{2} O \right)_{6}\right]^{2+}$