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When a crushed cassava was warmed with dilute hydrochloric acid, a sweet lasting compound D...

When a crushed cassava was warmed with dilute hydrochloric acid, a sweet lasting compound D was obtained. When D was treated with the enzyme, amalyse and the mixture distilled, a clear and colorless liquid, E was warmed with ethanoic acid in the presence of concentrated tetraoxosulphate(vi) acid, a compound F with fruity smell was obtained.
I. To what class of compounds does D belong?
II. Name E and F
III. Write the functional group of F
IV. Write the equation for the reaction between E and ethanoic acid in the presence of concentrated tetraoxosulphate(vi) acid
V. Name the type of reaction that takes place between E and ethanoic acid.?

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