Write molecular formula for butane.

Butane is a saturated hydrocarbon that belongs to the alkane family. The molecular formula of butane is C 4 H 10 . It contains four carbon atoms and ten hydrogen atoms. Butane is a gas at room temperature and atmospheric pressure. Butane is a highly flammable, colourless, easily liquefied gas that quickly vaporizes at room temperature.

Name the structure shown in the figure. Label 1 and 2.

The soap molecules form structures called micelles. In micelles, one end is towards the oil droplet, and the other end which is the ionic faces outside. Therefore, it forms an emulsion in water and helps in dissolving the dirt when we wash our clothes. 1. Hydrophilic end: The hydrophilic end which dissolves water and is attracted to it. 2. Hydrophobic end: It is dissolved in hydrocarbons and is water repulsive in nature.

Write the IUPAC name of

The IUPAC name is bromoethane. This is also known as ethyl bromide. It is a compound of haloalkanes group. It is a volatile compound that has an ether-like odour. Bromoethane is usually prepared by the addition of HBr to ethene.

Write the molecular formula of propane.

Propane is a saturated hydrocarbon that belongs to the alkane family. The molecular formula of propane is C 3 H 8 . It contains three carbon atoms and eight hydrogen atoms. It is a gas at standard temperature and pressure, but compressible to a transportable liquid.