esters

Question 1

suggest uses for esters

Answer 1

perfume/fragrance/flavouring

Question 2

ster 1 is less soluble in water than mandelic acid, C6H5CH(OH)COOH.
Explain the difference in water solubility of mandelic acid and ester 1

Answer 2

Hydrogen bonds form with water 
Note: Can be shown in diagram as dashed line,
ie —- (no label required)
DO NOT CON ‘hydrogen bond’ from an incorrect hydrogen
bond in diagram
Mandelic acid forms more hydrogen bonds (with water) 
ORA
Mandelic acid has an extra OH
OR 2 OH groups
OR has a COOH group 