1.

Which of the following is not true for S_(N) 1 reaction ?

Answer»

Favoured by polar solvents
`3^(@)` - alkyl HALIDES GENERALLY react through `S_(N) 1` reaction
The rate of the reaction does not depend upon the molar concentration of the nucelophile .
`1^(@)`- alkyl halides generally react through `S_(N)`1 reaction .

Solution :`S_N 1` reaction is favoured by bulky groups on the carbon atom attached to HALOGENS , i.e., theorder of REACTIVITY is `underset("Tertiary") (R_(3)C) - X gt underset("Secondary") (R_(2) CH)- X gt underset("Primary") (RCH_(2)) - X gt underset("Methyl") (CH_(3) - X)`


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