A Level Chemistry 9701/23/M/J/20 Q5

Question

5 C, D and E are isomers of each other.
They are made by passing an alcohol vapour over an aluminium oxide catalyst.
(a) (i) Name the type of reaction occurring.
(ii) Draw the displayed formula of the alcohol used in this reaction.
(iii) Name the isomers C, D and E
(b) F is an organic molecule which has the molecular formula C3H6O2.
When F is heated with NaOH(aq) followed by H2SO4(aq) the products G and H are made.
Separate samples of G and H are added to
● Na2CO3(aq)
● sodium metal
● alkaline aqueous iodine.
The observations are described in the table.
(i) Complete the table to identify the functional groups present in F, G and H.
(ii) Name the yellow precipitate formed when alkaline aqueous iodine reacts with H.
(iii) Draw the structures of G and H.

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    2021-03-27T17:26:54+08:00

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