Which functional group is characteristics of ester?
کون سا فنکشنل گروپ ایسٹر کی خصوصیات ہے؟
- R-O-R
- R-CO-R
- R-CO-OR
- R-CO-OH
Explanation
Ester, which is R-CO-OR, is the functional group for esters.
Esters are formed by reacting carboxylic acids, R-COOH, with alcohols, R-OH.
Esters can be formed from oxoacids (e.g., esters of acetic acid, carbonic acid, sulfuric acid, phosphoric acid, nitric acid, xanthic acid),
But also from acids that do not contain oxygen (e.g,. esters of thiocyanic acid and trithiocarbonic acid)
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