1.

, Rate of reaction toward Beckmann rearrangement wheny= underset((i))CH_(3)CO_(2)^(-),underset((ii))Cl-CH_(2)-Co_(2)^(-),underset((iii))Ph-SO_(3)^(-)

Answer»

(i) gt (ii) gt (iii)
(ii) gt (i) gt (iii)
(iii) gt (ii) gt (i)
(iii) gt (i) gt (ii)

Solution :(C ) Since RDS INVOLVE REMOVAL of leaving group, RATE of reactions compound by leaving group tendency.
`""Ph-SO_(3)^(Θ)gtCl-CH_(2)-CO_(2)^(Θ)gtCH_(3)-CO_(2)^(Θ)`
(weak base good leaving group)


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