MCQ
Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure. $Image$ The correct order of their boiling point is
  • A
    $I > II > III$
  • $III > II > I$
  • C
    $II > III > I$
  • D
    $III > I > II$

Answer

Correct option: B.
$III > II > I$
b
Greater the extent of branching, lesser is the boiling point of hydrocarbon.

Hence $III > II > I$

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 enthalpy of combustion of propane, graphite and dihydrogen at $298\,K$ are: $-2220.0\,kJ\,mol ^{-1}$, $393.5\,kJ mol ^{-1}$ and $-285.8\,kJ\,mol ^{-1}$ respectively. The magnitude enthalpy of formation of propane $\left( C _{3} H _{8}\right)$ is......... $kJ\,mol\,{ }^{-1}$. (Nearest integer)
Calculate the molar solubility of $AgCl$ at $25\,^oC$ in $3.0\ M\ NH_3$ $(K_{sp}$ of $AgCl = 2.0 \times 10^{-10} , K_f$ of $[Ag(NH_3)_2]^+ = 1.25 \times 10^7)$ 
Stereoisomers which are not the mirror images of one another are called
Conversion of oxygen to ozone represented by the equation $3{O_2} \to 2{O_3}$ is an endothermic reaction. Enthalpy change $\Delta H$ accompanying the reaction
The energy required to break one mole of $Cl- Cl$ bonds in $Cl_2$ is $242\, kJ \,mol^{- 1}.$ The longest wavelength of light capable of breaking a single $Cl - Cl$ bond is ............ $\mathrm{nm}$

$(C= 3 \times 10^8 \,ms^{-1}$ and $N_A =6.02 \times mol^{-1}).$

Outermost electronic configurations of four elements $A, B, C, D$ are given below.

$3 s^{2}$; $3 s^{2} 3 p^{1}$; $3 s ^{2} 3 p ^{3}$; $3 s^{2} 3 p^{4}$

The correct order of first ionization enthalpy for them is.

Consider the following reaction occuring in basic medium $2MnO_4^- (aq) + Br^- (aq) \to 2MnO_2 (s) + BrO_3^- (aq)$ How the above reaction can be balanced further?
In nucleophilic aliphatic substitution, the nucleophiles are generally
What, if anything, can be said about the magnitude' of the equilibrium constant $K$ for the following equilibrium ?
The correct order of the second ionization energy of $C, N, O$ and $F$ is :-