Esters are flavorings. They are also used with perfumes.
Mainly as solvents for other synthesis.
Esters with low molecular weight are commonly used as fragrances and found in essential oils and pheromones. Wikipedia gave me the above.
Such compounds are mostly esters.
Pleasant odours of flowers and fruits taken from simple esters can be used to flavour food and drink. They can also be mixed together to form flavour combinations.
The concentrated sulphuric acid solution is the preferred catalyst for the preparation of esters. Rarely used is the hydrochloric acid as a gas.
Esters are used as softeners in molding and plastic industries, in artificial fragrances or scents, as solvents in pharmaceutical industries, as industrial solvents for making fats, cellulose, paints and varnishes, and used in making artificial food flavors that are added into food such as ice cream and sweets.
No, but esters do react with some acids.
No, esters are covalent compounds having polar character.
Esters cannot form hydrogen bonds with other esters because there wouldn't be enough room on the molecules to support the hydrogen bonding (octet rule).
Esters are compounds that form when organic acids react with alcohols.
Esters are neutral compounds