Answer

  1. (III) and (IV)

Explanation:

(III) and (IV) are enantiomers and have the same physical and chemical properties.

So they will have the same vapour pressure.

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 number of electrons that are paired in oxygen molecule is
$IUPAC$ name of is

$C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,}{\mathop{\overset{OH}{\mathop{\overset{|\,\,\,\,}{\mathop{C-}}\,}}\,}}\,}}\,C{{H}_{2}}-\underset{C{{H}_{3}}\,}{\mathop{\underset{|\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,C{{H}_{3}}$

In mole of C2H6.__________ are present:
The species that has a (spin only) magnetic moment of $5.9\, BM$, is 
$64 \,gm$ of an organic compound contains $24\, gm$ of carbon, $8\,gm$ of hydrogen and the rest oxygen. The empirical formula of the compound is
In order to oxidise a mixture of one mole of each of $FeC _{2} O _{4}$ $Fe _{2}\left( C _{2} O _{4}\right)_{3}, FeSO _{4}$ and $Fe _{2}\left( SO _{4}\right)_{3}$ in acidic medium, the number of moles of $KMnO _{4}$ required is:
$\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - CH - C \equiv CH} 
\end{array}\xrightarrow{{excess\,HBr}}$

The product of the above reaction is

Which of the following molecules has trigonal planer geometry
A proton and a $Li ^{3+}$ nucleus are accelerated by the same potential. If $\lambda_{L i}$ and $\lambda_{P}$ denote the de Broglie wavelengths of $Li ^{3+}$ and proton respectively, then the value of $\frac{\lambda_{ Li }}{\lambda_{ P }}$ is $x \times 10^{-1}$.The value of $x$ is ............

(Rounded off to the nearest integer)

(Mass of $Li ^{3+}=8.3$ mass of proton)

What will be the $pH$ of an aqueous solution of $1.0\, M$ ammonium formate ? (Given: $pK_a = 3.8$ and $pK_b = 4.8$)