Which of the following statement regarding `S_(N)1` reaction shown by alkyl halide is incorrect?

Which of the following statements regarding the SN^2 reaction shown by alkyl halide is incorrect ?

Which of the following statement is false regarding S_N2 reaction shown by alkyl halides ?

Which of the following set of statements regarding the S_N1 reaction shown by alkyl halide is correct here? 1. the S_N1 reaction on the chiral starting material end up with racemization of the product 2. The more stable the carbocation intermediate the faster the S_N1 reaction . 3. The added nucleophile plays no kinetic role in S_N1 reaction 4. The S_N1 reaction involves the inversion of configuration of the optically active substrate

S_(N)1 reaction of alkyl halides leads to :

Which of the following statement is not correct about S_(N^2) reactions of alkyl halides?

Which of the following statement is not correct about SN^2 reactions of alkyl halides?