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Hydrocarbons

Question
CBSEENCH11007822

An alkene 'A' on ozonolysis gives a mixture of ethanal and pentan-3-one.  Write structure and IUPAC name of 'A'.

Solution
(i) Write the structure of the products side by side with their oxygen atoms facing towards each other

(ii) Remove the oxygen atoms and join the two ends by a double bond. Thus the structure of the alkene A is

The above product we get as,