Question

Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure.
Hydrocarbons (Alkane, Alkene and Alkyne) mcq question image
The correct order of their boiling point is

A. I > II > III
B. III > II > I  
C. II > III > I
D. III > I > II
Answer :   III > II > I
Solution :
Greater the extent of branching, lesser is the boiling point of the hydrocarbon, so order of b.p is III > II > I.

Releted MCQ Question on
Organic Chemistry >> Hydrocarbons (Alkane, Alkene and Alkyne)

Releted Question 1

Marsh gas mainly contains

A. $${C_2}{H_2}$$
B. $$C{H_4}$$
C. $${H_2}S$$
D. $$CO$$
View Answer
Releted Question 2

Which of the following decolourises alkaline $$KMn{O_4}$$

A. $${C_3}{H_8}$$
B. $${C_2}{H_4}$$
C. $$C{H_4}$$
D. $$CC{l_4}$$
View Answer
Releted Question 3

The compound with the highest boiling point is

A. $$n $$ - hexane
B. $$n $$ - pentane
C. 2, 2 - dimethylpropane
D. 2 - methylbutane
View Answer
Releted Question 4

The maximum number of isomers for an alkene with the molecular formula $${C_4}{H_8}$$  is

A. 2
B. 3
C. 4
D. 5
View Answer

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Hydrocarbons (Alkane, Alkene and Alkyne)

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Physical ChemistrySome Basic Concepts in ChemistryStoichiometryStates of Matter Solid, Liquid and GasAtomic StructureChemical ThermodynamicsSolutionsSolid StateSurface ChemistryChemical EquilibriumIonic EquilibriumChemical KineticsRedox ReactionElectrochemistryNuclear Chemistry
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