Which of the following sequence of react...

Which of the following sequence of reactions (reagents) can be used for the conversion of `C_(6)H_(5)CH_(2)CH_(3)" into "C_(6)H_(5)CH=CH_(2)`?

`SOCl_(2), H_(2)O`

`SO_(2)Cl_(2), alc. KOH`

`Cl_(2)//hv, H_(2)O`

`SOCl_(2), alc. KOH`

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The correct Answer is:

`b`

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