Haloalkanes and Haloarenes  MCQs

MCQs of Haloalkanes and Haloarenes

Showing 111 to 112 out of 112 Questions
111.
Give the order of SN1 reactivity of the following compounds :

(i) C6H5CH2Br

(ii)C6H5CH(C6H5)Br

(iii)C6H5CH(CH3)Br

(iv)C6H5C(CH3(C6H5)Br

(a) (ii)>(iv)>(iii)>(i)
(b) (iii)>(i)>(iv)>(ii)
(c) (ii)>(iii)>(i)>(iv)
(d) (iv)>(ii)>(iii)>(i)
Answer:

Option (d)

112.
Consider the reactions : 1 CH32CH-CH2Br C2H5OH CH32CH-CH2OC2H5 + HBr2 CH32CH-CH2Br C2H5O- CH32CH-CH2OC2H5 + Br- The mechanisms of reaction (i) and (ii) are respectively :
(a) SN1 and SN2
(b) SN1 and SN1
(c) SN2 and SN2
(d) SN2 and SN1
Answer:

Option (a)

Showing 111 to 112 out of 112 Questions