question_answer

A hydrocarbon A, of the formula \[{{C}_{8}}{{H}_{10}}\] , on ozonolysis gives compound \[B\left( {{C}_{4}}{{H}_{6}}{{O}_{2}} \right)\] only. The Compound B can also be obtained from the alkyl bromide, \[C\left( {{C}_{3}}{{H}_{5}}Br \right)\] upon treatment with magnesium in dry ether, followed by carbon dioxide and acidification. Give the number of secondary hydrogen atoms in compound A

Answer:

8