Which of the following options have incorrect order of rate in step 2 for different $R - X$ ?

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Solution

The correct options are
B
D

a) Order is correct as primary halides have more rate for $S_{N} 2$ .

b) Order is not correct as $P h - C l$ has double bond character, so rate of $S_{N} 2$ is very less.

c) Order is correct as rate of primary halide is greater than secondary halide for $S_{N} 2$ reaction.

d) Order is not correct because tertiary halides are least prone to undergo $S_{N} 2$ reaction.

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Similar questions

R - X

P t | {C l}_{2 (g)} | {C l}_{(C_{1})}^{-} ∥ {C l}_{(C_{2})}^{-} | {C l}_{2 (g)} | P t

2 N O_{2} C l \to 2 N O_{2} + C l_{2}

= k [N O_{2} C l]

N O_{2} C l_{1} N O_{2} + C l

N O_{2} C l + C l_{2} N O_{2} + C l_{2}

C l_{2} h v - \to C l^{∙} + C l^{∙}

C l^{∙} + C H_{4} \to^{∙} C H_{3} + H C l

C l^{∙} + C l^{∙} \to C l_{2}

^{∙} C H_{3} +^{∙} C l \to C H_{3} C l

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