Organic Chemistry Basics 1 Question 20
26. The IUPAC name(s) of the following compound is (are)
(2017 Adv.)
(a) 4-methylchlorobenzene
(b) 4-chlorotoluene
(c) 1-chloro-4-methylbenzene
(d) 1-methyl-4-chlorobenzene
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Answer:
Correct Answer: 26. $(\mathrm{a}, \mathrm{c}, \mathrm{d})$
Solution:
- Since, there is no principal functional groups, numbering of disubstituted benzene is done in alphabetical order as
Hence IUPAC name of this compound is 1-chloro-4-methyl benzene.
Also, toluene is an acceptable name in IUPAC, hence this compound can also be named as 4-chloro toluene.
