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SN2 Reaction Mechanism

Select whethe...

Question

Select whether the following combinations of reactants will react by substitution $(S_{N^{1}} o r S_{N^{2}}$ mechanism), elimination ( $E_{1} o r E_{2}$ mechanism).
$(C H_{3})_{2} C H - B r N a C N i n e t h a n o l - --------- \to 25^{0} C$

S_{N^{1}}

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S_{N^{2}}

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E_{1}

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E_{2}

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Solution

The correct option is A $S_{N^{1}}$
$S N^{1}$ mechanism is followed in the following reaction. $2^{o}$ carbocation isformed which gives the product.

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Similar questions

(S_{N^{1}} o r S_{N^{2}}

E_{1} o r E_{2}

(C H_{3})_{3} C - O H H B r 48 % i n H_{2} O - -------- \to 25^{0} C

S_{N} 1, S_{N} 2

E_{1}, E_{2}

(S_{N^{1}} o r S_{N^{2}}

E_{1} o r E_{2}

Consider the reactions

(i) $(C H_{3})_{2} C H - C H_{2} B r C_{2} H_{5} O H - ---- \to (C H_{3})_{2} C H - C H_{2} O C_{2} H_{5} + H B r$

(ii) $(C H_{3})_{2} C H - C H_{2} B r C_{2} H_{S} O^{-} - ---- \to (C H_{3})_{2} C H C H_{2} O C_{2} H_{5} + B r^{-}$

The mechanism of reactions (i) & (ii) are respectively

How to know whether a reaction is following Sn1,Sn2,Sn ar,E1,E2 or E1cb mechanism?

please mention a way which does have any exceptions.

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