The reagent(s) used for the conversion of ben | vedclass

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(B) The correct option is $(b)$.The conversion of benzene diazonium hydrogensulphate to benzene is a reduction reaction.$C_{6}H_{5}N_{2}^{+}HSO_{4}^{-

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$H_{3}PO_{2} + H_{2}O$

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(B) The correct option is $(b)$.The conversion of benzene diazonium hydrogensulphate to benzene is a reduction reaction.$C_{6}H_{5}N_{2}^{+}HSO_{4}^{-} + H_{3}PO_{2} + H_{2}O \rightarrow C_{6}H_{6} + N_{2} + H_{3}PO_{3} + H_{2}SO_{4}$Phosphinic acid $(H_{3}PO_{2})$ acts as a reducing agent in the presence of water to reduce the diazonium group to a hydrogen atom,yielding benzene.

The reagent$(s)$ used for the conversion of benzene diazonium hydrogensulphate to benzene is/are:

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