Answer

a
The solution of ethanol and water formed an azeotropic mixture i.e a constant boiling point mixture and hence, their proportions cannot be altered or changed by simple distillation.So, absolute ethanol cannot be separated by distillation because they form a constant boiling mixture.

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

$I.P$ of $Cr, Zn, Mn$ and $Hg$ are $7.4\,eV$, $6.7\, eV, 10.4\, eV$ and $9.3\, eV$. These $I.P$ are not written in order then
Two gaseous equilibria $S{O_{2(g)}} + \frac{1}{2}{O_{2(g)}}$ $\rightleftharpoons$ $S{O_{3(g)}}$ and $2S{O_{3(g)}}$ $\rightleftharpoons$ $2S{O_{2(g)}} + {O_{2(g)}}$ have equilibrium constants ${K_1}$ and ${K_2}$ respectively at $298\,K$. Which of the following relationships between ${K_1}$ and ${K_2}$ is correct
Match the species given in Column $I$ with the shape given in column $II$ and mark the  correct option:-

Column-$I$ Column-$II$ (Shape)
$(A) \,SF_4$  $(1)$ Tetrahedral
$(B)\, BrF_3$  $(2)$ Pyramidal
$(C)\, BrO_3^-$ $(3)$ Sea-Saw shaped
$(D)\, NH_4^+$ $(4)$ Bent $T-$ shaped

 

In which of the following processes, the bond order increases and paramagnetic character changes to diamagnetic one?
For the cell $Zn(s)|\,Z{n^{2 + }}(aq)\,||\,{M^x+} \,(aq)|\,M(s),$ different half cells and their standard electrode potentials are given below

  $M^{x+}\,  (aq)\,/M(s)$

$A{u^{3 + }}(aq)/$

$Au(s)$

  $A{g^ + }(aq)/$

$Ag(s)$

$F{e^{3 + }}(aq)/$

$F{e^{2 + }}(aq)$

$F{e^{2 + }}(aq)/$

$Fe(s)$

  $E^o\,M^{x+}$ $\,/M(V)$   $1.40$   $0.80$   $0.77$    $-0.44$

If $E_{Z{n^{2 + }}/Zn}^o =  - 0.76\,V,$ which cathode will given a maximum value of  $E_{cell}^o$ per electron transferred?

The specific heat of a metal is $ 0.16$ its approximate atomic weight would be
Consider the following compounds/species: 

The number of compounds/species which obey Huckel's rule is $..........$

Which complex is most stable ?

Where $k_d\, =$ Dissociation constant

Find product $V$ is

$\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - CH - COOH} 
\end{array}$ $\xrightarrow[{{H_3}{O^ + }}]{{LiAl{H_4}}}$ $I\,\xrightarrow{{PB{r_3}}}II\,\xrightarrow[{ether}]{{Mg}}$ $III\,\xrightarrow{{C{O_2}}}IV\,\xrightarrow{{{H_2}{O^ + }/{H^ + }}}V$

$\mathop {{C_6}{H_{14}}}\limits_{n - hexane} \xrightarrow{{A{l_2}{O_3}/\Delta }}(A)\xrightarrow{{(CO + HCl)/AlC{l_3}}}(B)$

Select the incorrect statement among following