EASY
Earn 100

Which of the following alkane has the lowest boiling point and highest melting point? 

53.92% studentsanswered this correctly

Important Questions on Hydrocarbons

MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
Arrange n-pentane (I), isopentane (II) and neopentane (III) in the decreasing order of their boiling point.
MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is:
MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
The compound having the lowest boiling point is
MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Which hydrogen in compound E is easily replaceable during bromination reaction in presence of light ?

Question Image

EASY
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
The dihedral angle in staggered form of Newmann's projection of 1,1,1-Trichloro ethane is ………degree. (Round off the answer to the nearest integer)
MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
Which of the following is not an example of heterogeneous catalysis reaction?
MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Identify the decreasing order of boiling point of alkanes

(i) n-pentane

(ii) Isopentane

(iii) Neopentane

EASY
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
The gas evolved on heating CH3MgBr in methanol is:
EASY
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
Conservation of hexane into benzene involves the reaction of:
EASY
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
The reactions of alkanes are explosive with which halogen?
HARD
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
The number of structural isomers for C6H14 is:
MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
Which of these factors does not govern the stability of a conformation in acyclic compounds?
MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
The major product of the following reaction is:

Question Image
EASY
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
Write four properties of methane.
MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
Bromination of cyclohexene under conditions given below yields:

Question Image
EASY
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
In the following skew conformation of ethane, H'-C-C-H″ dihedral angle is:
Question Image
EASY
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
Which of the following organic compounds has same hybridization as its combustion product -CO2?
HARD
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure.

Question Image



The correct order of their boiling point is

MEDIUM
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
Write a short note on 'Wurtz reaction'.
EASY
Chemistry>Organic Chemistry>Hydrocarbons>Alkanes
The work done during combustion of 9×10-2 kg of ethane, C2H6(g) at 300 K is (Given R=8.314 JK−1mol−1 , atomic mass C=12,H=1 )