Name:

(a) compound formed when acetic acid and ethanol react together.

(b) substance used to change acetic acid to acetic anhydride.

(a) Which of the following statements is wrong about alkanes?

1. They are all saturated hydrocarbon.
2. They can undergo addition as well as substitution reaction.
3. They are almost non polar in nature.
4. On complete combustion give out carbon dioxide and water.

An organic compound undergoes addition reactions and gives a red colour precipitate with ammoniacal cuprous chloride. Therefore, the organic compound could be :

1. Ethane
2. Ethene
3. Ethyne
4. Ethanol

An organic weak acid is :

1. Formic acid
2. Sulphuric acid
3. Nitric acid
4. Hydrochloric acid