* Subjective Question \( P \) W) A hydrocarbon \( A \) of the formula \( \mathrm{C}_{8} \mathrm{...

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* Subjective Question
\( P \)
W)
A hydrocarbon \( A \) of the formula \( \mathrm{C}_{8} \mathrm{H}_{10} \), on ozonolysis gives compound \( B\left(\mathrm{C}_{4} \mathrm{H}_{6} \mathrm{O}_{2}\right) \) only. The compound \( B \) can also be obtained from the alkyl bromide \( C\left(\mathrm{C}_{3} \mathrm{H}_{5} \mathrm{Br}\right) \) upon treatment with magnesium in dry ether, followed by carbon dioxide and acidification. Identify \( A, B \) and \( C \) and also give equations for the reactions.
\( (1996,3 \mathrm{M}) \)
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