Write the condensed formula of a linear alkane, whose molecular formula is C20H42 .

Give the molecular formula, the condensed formula, and indicate the number of hydrogens each carbon has in the octane molecule.

Indicate the number of carbons in each of the three chains that start from the bridgehead carbons in the following bicycles.

bicycle nomenclature statement

Write the formulas and names of linear alkanes with fewer than ten carbons.

Write the structural formula of 2,4,6-trimethyloctadecane.

Write the molecular formula, the semideveloped formula and name the linear alkanes of 20, 30, 40, 50 and 100 carbons.

Write and name the alkyl radicals with fewer than five carbons.

Draw the structure of the following bicyclic compounds.

1) 2-Bromo-5-ethylbicyclo[2.1.1]hexane
2) Bicyclo[5.4.0]undecane
3) 1-Ethyl-4-methylbicyclo[4.4.0]decane
4) 2-Chlorobicyclo[2.2.2]octane
5) Bicyclo[1.1.0]butane
6) Bicyclo[3.2.1]octane
7) 2-Isopropyl-5-methylbicyclo[2.2.1]heptane
8) Bicyclo[2.2.0]hexane
9) 2-Chloro-3-bromobicyclo[1.1.1]pentane
10) Bicyclo[2.1.0]pentane

Draw the most stable and least stable conformations of 2,3-dimethylpentane between carbons C3-C4.

For the following branched alkanes, choose the main chain, number it, and name the compound.

alkanes nomenclature statement

Which of the following compounds can exist in different conformations?
a) Hydrogen peroxide.
b) Ammonia.
c) Methanol.

Give the IUPAC names of the following compounds:

alkanes nomenclature statement

Write the structural formula for each of the following alkanes.

1) 6-Isopropyl-2,5-dimethylnonane
2) 4-tert-butyl-3-methylheptane
3) Pentacosane
4) 4-Ethyl-4-methylheptane
5) 2,3-Dimethylpentane
6) 5,5-Diethyl-2-methyl-4-propyldecane
7) 2,3,4-Trimethyloctane.
8) 4-tert-Butyloctane
9) 3-Ethyl-6,7-dimethyl-4-propyldodecane
10) 4,5-Diethyl-5-isopropyl-3,4-dimethyl-6-propylundecane