Which one of each pair of compounds will...

Which one of each pair of compounds will undergo `S_(N)1` reaction readily and why?
(i) `CH_(2)CH-CH_(2)CH_(2)Cl`.
`CH_(3)CH=CHCH_(2)Cl`.

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Second one as it forms resonance-stabilised allyl cation `(CH_3)CH=CH^(o+)CH_(2))`

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Which one of each pair of compounds will undergo S_(N)1 reaction readily and why? (ii) CH_(3)OCH_(2)Cl, CH_(3)OCH_(2)CH_(2)Cl .

Which one of each pair undergoes S_(N)I reaction readily and why? (i) CH_(2)=CHCH_(2)CH_(2)Cl, CH_(3)CH =CHCH_(2)Cl .

Which one of each pair will not undergo S_(N)2 reaction and why? (i) (CH_3)_(3)C CH_(2)Cl, CH_(3)CH_(2)Cl .

Which of the compounds will react faster in S_(N)1 reaction with the OH^(-) ion? CH_(3)-CH_(2)-Cl or C_(6)H_(5)-CH_(2)-Cl .

Which one of the pairs undergoes hydrolysis by aqueous KOH readily and Why? (i) C_(6)H_(5)CH_(2)Cl .

Which one of the following pairs are more reactive in S_(N)2 reaction? Why? (iii) CH_(2)=CHBr and CH_(2)=CH-CH_(2)Br .

In which of the following two compounds S_(N)2 reaction is faster? Give reason. CH_(3)CH_(2)CH_(2)Cl and CH_(3)CH_(2)CH_(2)I .

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Which of the following compounds will exhibit geometrical isomerism and why? (1) CH_(3)CH=C CI_(2) (2) CH_(3)CH=C CICH_(2)CH_(3) (3) CH_(2)=CH-CH_(2)

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