Question

an organic compound A is widely used as a preservative in pickle and has a molecular formula C2H5O2.the compound reacts with ethanol to form sweet smelling compound B.
a)Identify the compound A
b)Write the chemical equation for its reaction to form B
c)Name the process
d)How can we get compound A and B .
e)name the gas produced when A reacts with baking soda

Answer 1

a) A is acetic acid/ ethanoic acid

b) reaction:
C2H5OH + CH3COOH _> CH3COOC2H5 + H2O

c) process it called Esterification reaction

d) A & B can be obtained by exposing ester to a base like NaOH

e) CO2 / carbon dioxide gas is produced

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thanks

Answer 2

a) acetic acid -- ethanoic acid
C) esterification
d) compound A will get by reaction of ethanol and oxygen in presence of acetobacter enzyme.
compound B get by reaction of ethanoic acid with ethanol in presence of concentrated sulphuric acid.
e) i don't know.
b) it is in the image.