$S_{N^{2}}$ involves inversion of configuration stereo, chemically. since, $1^{o}$ alkyl halides are prone to $S_{N^{2}}$ reactions, therefore $\mathrm{CH}_{3} \mathrm{Cl}$ undergoes complete strerochemical inversion.



$S_N1$ પ્રતિક્રિયાનો સાચો ક્રમ કયો છે?