Consider the reaction sequence given below:
Which of the following statements is true:

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Changing the concentration of base will have no effect on reaction (2)

Changing the base from ${OH}^{-}$ to ${}^{-}{OR}$ will have no effect on reaction (2)

4) Changing the concentration of base will have no effect on reaction (1).

Doubling the concentration of base will double the rate of both the reactions.

answer is D.

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Detailed Solution

(1) Changing the concentration of base will have no effect on

reaction (1)

$Reaction 1 : {SN}_{1} Reaction 2: E_{2} {SN}_{1} is independent of concentrationo f nucleophile/base$

Therefore, the correct option is (D).

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