MCQ
Aniline-water mixture can be separated by
  • Steam distillation
  • B
    Extraction
  • C
    Chromatography
  • D
    Sublimation

Answer

Correct option: A.
Steam distillation
a
Steam distillation is a separation process which consists in distilling water together with other volatile and non-volatile components. The steam distillation process works on the principle that when a mixture of two or more undissolved liquids are heated, while ensuring that the surfaces of both liquids are in contact with the atmosphere, the vapor pressure exerted by the system increases. This is because it now becomes the sum of the vapor pressures of all of the components of the mixture combined together. This allows for evaporation of elements with high boiling points at much lower temperatures merely by allowing them to form a mixture with water. Aniline is separated from a mixture by using this method.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The specific conductance of solution depends upon -
Aqueous solutions of two compounds $M_1 -O -H$ and $M_2 -O -H$ are prepared in two different beakers. If, the electronegativity of $M_1$ = $3.4$, $M_2$ = $1.2$, $O$ = $3.5$ and $H$ = $2.1$, then  the nature of two solutions will be respectively
Seliwanoff test and Xanthoproteic test are used for the identification of $....$ and $....$ respectively
Major product obtained by dehydration of given alcohol is
Superphosphate of lime is
The correct statement$(s)$ about the compound $\mathrm{H}_3 \mathrm{C}(\mathrm{HO}) \mathrm{HC}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}(\mathrm{OH}) \mathrm{CH}_3(\mathbf{X})$ is(are)

$(A)$ The total number of stereoisomers possible for ${X}$ is $6$

$(B)$ The total number of diastereomers possible for ${X}$ is $3$

$(C)$ If the stereochemistry about the double bond in ${X}$ is trans, the number of enantiomers possible for ${X}$ is $4$

$(D)$ If the stereochemistry about the double bond in ${X}$ is cis, the number of enantiomers possible for ${X}$ is $2$

$150\, mL$ of $0.0008\, M$ ammonium sulphate is mixed with $50\, mL$ of $0.04\, M$ calcium nitrate. The ionic product of $CaSO_4$ will be ($K_{SP}= 2.4\times10^{-5}$ for $CaSO_4$)
Cycloalkane has the formula
Which statement is false?
A reaction takes place in three steps with individual rate constant and activation energy, overall rate constant, $k = {\left( {\frac{{{k_1}{k_2}}}{{{k_3}}}} \right)^{2/3}}$ Then, overall activation energy of the reaction will be ........ $kJ /mol$

  Rate Constant Activation energy
Step $1$ $k_1$ $E_{a_1} = 180\ kJ/mol$
Step $2$ $k_2$ $E_{a_2} = 80\ kJ/mol$
Step $3$ $k_3$

$E_{a_3} = 50\ kJ/mol$