written by gogorabei | June 10, 2023
#1. (16) Organic benzene reacts by addition and substitution.
a)because it reacts by addition due to single bonds and by substitution due to double bonds
a)because it reacts by addition due to single bonds and by substitution due to double bonds
b)because it reacts by substitution due to single bonds and by addition due to double bonds
b)because it reacts by substitution due to single bonds and by addition due to double bonds
c)Because it reacts by substitution due to triple bonds and by addition due to double bonds
c)Because it reacts by substitution due to triple bonds and by addition due to double bonds
d)because it reacts by substitution due to double bonds and by addition due to single bonds
d)because it reacts by substitution due to double bonds and by addition due to single bonds
#2. The figure: are arranged in descending according to their stability as follows(a) (1)> (2)>(3)> (4). (B) (3)> (1)>(4)>(2). (c) (2)> (1)>(4)>(3). (d) (4)> (1)>(2)>(3).
(a) (1)> (2)>(3)> (4).
(a) (1)> (2)>(3)> (4).
(B) (3)> (1)>(4)>(2).
(B) (3)> (1)>(4)>(2).
(c) (2)> (1)>(4)>(3).
(c) (2)> (1)>(4)>(3).
(d) (4)> (1)>(2)>(3).
(d) (4)> (1)>(2)>(3).
#3. 1)Choose the alphabetical letter which represents the following #4. (31)this compound can be prepared by ........
(a) chlorination of benzene, then nitration of the product.
(a) chlorination of benzene, then nitration of the product.
(b) Nitration of benzene, then chlorination of the product.
(b) Nitration of benzene, then chlorination of the product.
(c) reaction of chlorobenzene with nitration mixture.
(c) reaction of chlorobenzene with nitration mixture.
(d) passing of benzene vapour and chlorine in a conc. nitric acid.
(d) passing of benzene vapour and chlorine in a conc. nitric acid.