(a) Out of  which one is more reactive towards SN2 reaction and why?

(b) Out of which one is more reactive towards nucleophilic substitution reaction and why?

(c) Out of  which one is optically active and why?

 

 

 

 
 
 
 
 

Answers (1)
S Sumit

(a)  because it is a primary halide 

Orders Reactivity of Alkyl halides for Sn^{2} mechanism :

    1^{\circ}R-X> 2^{\circ}R-X> 3^{\circ}R-X

(b)   is more reactive than  towards nucleophilic substitution reaction because the presence of NO_{2} group at para-position withdraws the electron from the benzene ring, thereby facilitating the attack of the nucleophile on

 

(c)  is a chiral molecule, therefore, it is optically active

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