Chlorination of toluene in the presence of light and heat followed by treatment with aqueous `NaOH` gives

Chlorination of toluence in the presence of light and heat followed by treatment with aqueous NaOH gives

Chlorination of toluene in the presence of light and heat followed by the treatment with aqueous KOH gives

Chlorination of toluene in presence of light and heat followed by treatment with aqueous NaOH gives