WorksheetsCarbon Compounds (Esters)
Total questions: 8
Worksheet time: 4mins
What is the functional group of the esters?
carboxylate group, -COO-
carboxyl group, -COOH
hydroxyl group, -OH
double bond between carbon atoms, C=C
Which of the following is a hydrocarbon?
Alkene
Alcohol
Carboxylic acid
Ester
What is the general formula of esters?
CnH2n+1COOCmH2m+1, m=1,2,3...n=0,1,2....
CnH2n+1COOH,n=0,1,2,..
CnH2n+1OH, n=1,2,3...
Name the ester shown in the diagram.
Ethyl methanoate
Methyl methanoate
Methyl ethanoate
Ethyl ethanoate
What is the name of the process for the reaction between a carboxylic acid and an alcohol?
Oxidation
Esterification
Hydration
Dehydration
Which of the following is not true about esters?
Has fruity smell and pleasant fragrance
Simple esters are volatile
Animal fats and vegetable oils examples of esters
Soluble in water and insoluble in organic solvents
Name the ester shown in the diagram.
Propyl ethanoate
Ethyl propanoate
Butyl ethanoate
Ethyl butanoate
Ethyl butanoate is an ester that responsible for the ....................... smell.
bananas
pineapples
oranges
apples
