1.

In which of the above reactions does the rate fo SN^(2) reactionsdecreases with an increases in solvent polarity?

Answer»

`(I)`
`(II)`
`(III)`
`(IV)`

SOLUTION :If the recatant and/or nucleophilic are changed, increasing the POLARITY of the solvent stablises any charged GROUND STATE speicesand decreases the RATE of `SN^(2)` reaction with an increase with the increases in polaityof the solvent.


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