What is a general formula for an ester? Organic Chemistry Welcome to Organic Chemistry Definition of 'Chemistry' and 'Organic' 1 Answer Ashish R. · Grace · Ernest Z. Nov 20, 2015 Explanation: The substitution of a hydrogen atom in a carboxylic acid by alkyl or aryl groups, #"R"# or #"Ar"#, yields another class of compounds known as esters Answer link Related questions Question #7889a Why are organic compounds important? How are compounds in organic chemistry named? What is the line formula of #CH_3CH_2CH_2C(CH_3)^3#? What is this functional group: #(CH_3)_2C=CHCH_3#? What is the general formula of a carboxylic acid? What is a carboxyl group? What is an alkane? What is the formula of the ethyl group? What is a functional group in organic chemistry? See all questions in Definition of 'Chemistry' and 'Organic' Impact of this question 23596 views around the world You can reuse this answer Creative Commons License