HARD
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Carbonyl compounds, sensitive to both acids and bases, can be reduced to hydrocarbons by

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Important Questions on Hydrocarbons

HARD
A sample of 4.5mg of an unknown monohydric alcohol, R-OH was added to methylmagnesium iodide. A gas is evolved and is collected and its volume measured to be 3.1 mL. The molecular weight of the unknown alcohol is g/mol.
MEDIUM
Write a short note on 'Wurtz reaction'.
EASY
Reaction of sodium acetate with soda lime will produce which of the following?
MEDIUM
The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is:
MEDIUM
How many gram of sodium (atomic mass 23 u) is required to prepare one mole of ethane from methyl chloride by Wurtz reaction?
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
EASY

Which of the following reactions is used for producing symmetrical alkane with double carbon atoms?

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

EASY
Which of the following alkane cannot be made in good yield by Wurtz reaction?
EASY
Which one of the following reactions gives the product with less number of carbon atoms than the starting material?
MEDIUM

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

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EASY
The gas evolved on heating CH3MgBr in methanol is:
HARD
The number of structural isomers for C6H14 is:
MEDIUM
A 100 mL solution of CH3CH2MgBr on treatment with methanol produces 2.24 mL of a gas at STP. The weight of gas produced is____mg (nearest integer)
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 )
MEDIUM
Which of these factors does not govern the stability of a conformation in acyclic compounds?
EASY
Which of the following organic compounds has same hybridization as its combustion product -CO2?
MEDIUM
If a mixture of iodomethane and iodoethane is treated with sodium metal in presence of dry ether it forms
MEDIUM
Which of the following reactions produce(s) propane as a major product?
MEDIUM

The aldehydes which will not form Grignard product with one equivalent of Grignard reagents are
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