What two general classes of substances must be combined to form ester?

a carboxylic acid and an alcohol react to produce an ester. its got an awesome smell.

The functional group is ester with the general formula, RCOOR'

Esters are sweet smelling substances which are used in the preparation of perfumes.

Alcohol , ester , ether , proteins .

An ester has the formula R-COO-R' where R and R' are substituents on the carbon chain.

No. The general formula for an ester is R-COO-R', where R and R' are organic groups. R can be a hydrogen, but if R' is hydrogen (as it is in this example) then the compound is a carboxylic acid.

No. There is not an ester.

Zani Ester goes by Ester.

my answer is the formation of ester is the first ester is carboxylic acid + alcohol=ester and ester is reversible

Banana popsickle ester, this is the ester that is use in banana liqueur

Butyl acetate is an ester.

Ester Spitz's birth name is Ester Judith Spitz.

Ester Formosa's birth name is Ester Formosa Plans.

Ester Lindgren's birth name is Ester Astrid Lindgren.

Ester Selander's birth name is Ester Javiga Axelina Selander.

The name Ester means star, so you are a star if your name is Ester !

Ester Rachel Kaminska's birth name is Ester Rachel Halpern.

An ester linkage is occurs when to compounds are connected via an ester bond (R-COOC-R).

Ester Roeck Hansen's birth name is Ester Linna Andersson.

No. they are bound by ether linkage, not ester

acid + alcohol ---> ester + water

RCOOH + R'OH ---> ester + water

Ester Julin was born in 1885.

Ester Julin died in 1931.

Ester Soré was born in 1915.