Question

27) Which ring position(s) of toluene we most reactive toward electrophilic aromatic
substitution?
(a) ortho and para
(5) meta and para
(c) ortho and meta
(d) meta
28) Which is the major product of Friedel-Craft's acylation of toluene with acetyl chloride?
(a) ortho CH3-CH COCH,
(b) CH-COCH
(c) para CH3-CH-COCH,
(d) meta CH3-CH-COCH,
29) Which of the following is an ortho / para director?
(a) -COOH (b) --Br
(c) CN (d) CHO
30) Which one of the following is least reactive towards electrophilic aromatic substitution?
(a) Nitrobenzene
(b) phenol
(c) ethyl benzene
(d) Benzene
31) Which of the following compounds will undergo a Friedel-Crafts acylation reaction?
(a) Nitrobenzene
(b) benzaldehyde
(c) acetophenone
(d) None of these
32) Which of the following will not undergo a Friedel-Crafts alkylation?
(a) benzene
(b) toluene
(c) benzoic acid
(d) p-chlorotoluene
33) What is the common name for a solution of 7% of So, in sulphuric acid?
(a) Super sulphuric acid
(b) hypersulphuric acid
(c) Sulphurous sulphuric acid
(d) fuming sulphuric acid
34) Which of the following is not a true statement?
(a) A methyl substituent is an ortho / para director.
th A chloro substituent is an ortho / para director.
director​

Answer 1

undergo a Friedel-Crafts acylation reaction?

(a) Nitrobenzene

(b) benzaldehyde

(c) acetophenone

(d) None of these

32) Which of the following will not undergo a Friedel-Crafts alkylation?

(a) benzene

(b) toluene

(c) benzoic acid

(d) p-chlorotoluene

33) What is the common name for a solution of 7% of So, in sulphuric acid?

(a) Super sulphuric acid

(b) hypersulphuric acid

(c) Sulphurous sulphuric acid

(d) fuming sulphuric acid

34) Which of the following is not a true statement?

(a) A methyl substituent is an ortho / para dire

Answer 2

Answer:

question 24 answer is D I e

meta