1.

The main product of the following reaction is `C_(6)H_(5)CH_(2)CH(OH)CH(CH_(3))_(2)overset("conc. H_(2)SO_(4))to `A. B. C. D.

Answer» Correct Answer - B
`C_(6)H_(5)-CH_(2)-underset(OH)underset(|)CH-overset(CH_(3))overset(|)CH-CH_(3)underset(-H_(2)O)overset("conc." H_(2)SO_(4)(H^(+)))to C_(6)H_(5)-CH_(2)-overset(o+)CH-overset(CH_(3))overset(|)CH-CH_(3)underset("(rearrangement)")overset(1,2H(Ө)"shift")to C_(6)H_(5)-overset(+)CH-CH_(2)-overset(CH_(3))overset(|)CH-CH_(3)to ` trans + cis.
Trans is major product due to thermodynamically more stable as well as carbocation show anti elimination.


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