MCQ
Among the given pairs in which pair, first compound has higher boiling point than second?
  • A
    $C{H_3} - C{H_2}OC{H_3}$ and $\begin{array}{*{20}{c}}
    {C{H_3} - CH - C{H_3}}\\
    {|\,\,\,\,\,}\\
    {OH}
    \end{array}$
  • $C{H_3} - C{H_2} - C{H_2} - C{H_3}$ and $C{H_3} - C{H_2} - C{H_3}$
  • C
    $C{H_3} - C{H_2} - C{H_2} - C{H_2} - C{H_3}$ and $\begin{array}{*{20}{c}}
    {\,\,\,\,C{H_2} - C{H_3}}\\
    {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {C{H_3} - CH - C{H_2} - OH}
    \end{array}$
  • D
    $CH_3 - CH_2 - CH_2 - CH_3$ and $CH_3 - CH_2 - CH_2 - Cl$

Answer

Correct option: B.
$C{H_3} - C{H_2} - C{H_2} - C{H_3}$ and $C{H_3} - C{H_2} - C{H_3}$
b
$(b)$  $B.P.\, \propto$ surface area of molecule $\propto$ extent of inter molecular $H$ -bonding $\propto$ dipole moment of molecule.

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 $IUPAC$  name of ${K_4}\left[ {Fe{{\left( {CN} \right)}_6}} \right]$ is
The correct order of dipole moment for the following molecules is
In neutral or faintly alkaline medium, $KMnO _{4}$ being a powerful oxidant can oxidize, thiosulphate almost quantitatively, to sulphate. In this reaction overall change in oxidation state of manganese will be
Which can show aldol condensation reaction
The stabilization of coordination compounds due  to chelation is called the chelate effect. Which of the following is the most stable complex species ?
Statement $I$ : Sodium hydride can be used as an oxidising agent.

Statement $II :$ The lone pair of electrons on nitrogen in pyridine makes it basic.

Choose the CORRECT answer from the options given below:

Identify the major product obtained in the following reaction:
Match $List-I$ with  $List-II$, match the gas evolved during each reaction.

$List-I$ $List-II$
$A$ $\left( NH _{4}\right)_{2} Cr _{2} O _{7} \stackrel{\Delta}{\longrightarrow}$ $I$ $H _{2}$
$B$ $KMnO _{4}+ HCl \rightarrow$ $II$ $N _{2}$
$C$ $Al + NaOH + H _{2} O \rightarrow$ $III$ ${ O _{2}}$
$D$ $NaNO _{3} \stackrel{\Delta}{\longrightarrow}$ $IV$ ${ Cl _{2}}$

Choose the correct answer from the options given below.

An aqueous solution of $\mathrm{NiCl}_{2}$ was heated with excess sodium cyanide in presence of strong oxidizing agent to form $\left[\mathrm{Ni}(\mathrm{CN})_{6}\right]^{2-}$. The total change in number of unpaired electrons on metal centre is $.....$
A hypothetical electrochemical cell is shown below.

$A \,|\, A^+\, (xM)\, ||\, B^+ \,(yM)\, |\, B$

The $emf$ measured is $+ 0.20\, V.$ The cell reaction is