MEDIUM
Earn 100

Explain Clemmenson's reduction of acetone.

Important Questions on Hydrocarbons

EASY
Which of the following alkane cannot be made in good yield by Wurtz reaction?
MEDIUM
Which of these factors does not govern the stability of a conformation in acyclic compounds?
MEDIUM
How many gram of sodium (atomic mass 23 u) is required to prepare one mole of ethane from methyl chloride by Wurtz reaction?
MEDIUM

Identify the decreasing order of boiling point of alkanes

(i) n-pentane

(ii) Isopentane

(iii) Neopentane

EASY
The work done during combustion of 9×10-2 kg of ethane, C2H6(g) at 300 K is (Given R=8.314 JK1mol1 , atomic mass C=12,H=1 )
EASY
Number of primary carbon atoms present in 3-Ethyl-2,4-dimethylheptane is ?
EASY
In the following skew conformation of ethane, H'-C-C-H dihedral angle is:
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EASY
Hydrocarbon A reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to a gaseous hydrocarbon containing less than four carbon atoms, A is
HARD

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

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The correct order of their boiling point is

MEDIUM
Which of the following reactions produce(s) propane as a major product?
MEDIUM
If a mixture of iodomethane and iodoethane is treated with sodium metal in presence of dry ether it forms
MEDIUM

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

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EASY

What is the IUPAC name for the following compound?

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EASY
Which one of the following reactions gives the product with less number of carbon atoms than the starting material?
EASY
In the dichlorination reaction of propane, mixture of products are obtained. How many isomers the mixture contains ?
EASY
The reactions of alkanes are explosive with which halogen?
EASY
Conservation of hexane into benzene involves the reaction of:
EASY
Which of the following organic compounds has same hybridization as its combustion product -CO2?
HARD
The number of structural isomers for C6H14 is:
MEDIUM
The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is: