How many of the statement(s) are correct
i) The nucleophile makes a rear attack in S N 2 reaction and expels the leaving group from front side.
ii) CH 3 O - CH = CH 2 adds to HBr according to Anti-Markownikoff's rule.
iii) The basicity of halides decreases in the order F - > Cl - > Br - > I - , but the nucleophillicity is reverse of it. (in polar protic solvents)
iv) The rate of S N 2 reaction is independent of the polarity of the solvent.
v) Sigma complex or arenium ion is resonance stablised.
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i) The nucleophile makes a rear attack in S N 2 reaction and expels the leaving group from front side.
iii) The basicity of halides decreases in the order F - > Cl - > Br - > I - , but the nucleophillicity is reverse of it. (in polar protic solvents)
v) Sigma complex or arenium ion is resonance stablised.
The above statements are correct.
CH 3 O - CH = CH 2 adds to HBr according to Markownikoff's rule.
iv) The rate of S N 2 reaction is faster in polar aprotic solvent.
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