A binary liquid solution is prepared by mixing n- heptaneand ethanol. Which one of following stateme

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1.Solution and Colligative properties

easy

A binary liquid solution is prepared by mixing $n-$ heptaneand ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?

The solution is non-ideal, showing $-ve$ deviation from Raoult's Law.

The solution is non-ideal, showing $+ve$ deviation from Raoult's Law.

$n-$ heptane shows $+ve$ deviation while ethanol shows $-ve$ deviation from Raoult's Law.

The solution formed is an ideal solution .

(AIEEE-2009)

Solution

For this solutis intermon intermon intermon intermolecular interactions between $n$ heptane and ettanolare weaker than $n$ -heptane $-n-$, heptane & ethanol. Ethanol interactions hence the solution of $n$ -heptane and ettanolis non-ideal and shows positive deviation from Raoult’s

Standard 12

Chemistry

Mixture($s$) showing positive deviation from Raoult's law at $35^{\circ} \mathrm{C}$ is(are)

($A$) carbon tetrachloride + methanol ($B$) carbon disulphide + acetone ($C$) benzene + toluene ($D$) phenol + aniline

medium

(IIT-2016)

The values of the Henry's law constant of $Ar , CO _{2}, CH _{4}$ and $O _{2}$ in water at $25^{\circ} C$ are $40.30,1.67$, $0.41$ and $34.86\, k\,bar$, respectively. The order of their solubility in water at the same temperature and pressure is

medium

(KVPY-2019)

Formation of a solution from two components can be considered as

$(i)$ Pure solvent $\to$ separated solvent molecules $\Delta$ $H_1$

$(ii)$ Pure solute $\to$ separated solute molecules$\Delta$ $H_2$

$(iii)$ Separated solvent and solute molecules $\to$ solution $\Delta H_3$ Solution so formed will be ideal if

medium

(AIPMT-2003)

On mixing $10\ mL$ of acetone with $40\ mL$ of chloroform , the total volume of the solution is

medium

A mixture of liquid showing positive deviation in Raoult's law is

easy

A binary liquid solution is prepared by mixing $n-$ heptaneand ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?

Solution

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Mixture($s$) showing positive deviation from Raoult's law at $35^{\circ} \mathrm{C}$ is(are)

($A$) carbon tetrachloride + methanol ($B$) carbon disulphide + acetone ($C$) benzene + toluene ($D$) phenol + aniline