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The major product (Y) in the following r...

The major product (Y) in the following reactions is:
`CH_(3)-overset(CH_(3))overset(|)CH-C-=CH overset(HgSO_(4),H_(2)SO_(4))underset(H_(2)O)toX overset((i)C_(2)H_(5)MgBr,H_(2)O)underset((ii)"Conc",H_(2)SO_(4)//Delta)toY`

A

(a) `CH_(3)-overset(CH_(3))overset(|)CH-underset(CH_(2)CH_(3))underset(|)C=CH_(2)`

B

(b) `CH_(3)-overset(CH_(3))overset(|)CH-underset(CH_(3))underset(|)C=CH-CH_(3)`

C

(c) `CH_(3)-overset(CH_(3))overset(|)C=underset(CH_(2)CH_(3))underset(|)C-CH_(3)`

D

(d) `H_(3)C-overset(CH_(2))overset(||)C-underset(C_(2)H_(5))underset(|)(CH)-CH_(3)`

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