Question

What is the correct IUPAC naming of CHF2CBrClF?

(a) 1-Bromo-1-chloro-1,2,2-trifluoroethane

(b) 1-Bromo-1-chloro-1,2,2-trifluoroethene

(c) 2-Bromo-2-chloro-1,1,2-trifluoroethane

(d) 2-Bromo-2-chloro-1,1,2-trifluoroethene

This question was addressed to me during an online exam.

I would like to ask this question from Haloalkanes Nomenclature in section Haloalkanes and Haloarenes of Chemistry – Class 12

Answer 1

The correct choice is (a) 1-Bromo-1-chloro-1,2,2-trifluoroethane

Easy explanation: There are only two C atoms in the compounds and only single bonds with two F atoms at C-2 and one of each F, Cl and Br at C-1.