NTA Abhyas JEE Main2020ChemistryChemical Bonding and Molecular StructurePractice
Which of the following molecules have zero dipole moment? (I) gauche conformation of 1, 2-dibromoethane. (II) anti conformation of 1, 2-dibromoethane. (III) trans-1, 4-dibromocyclohexane (IV) cis-1, 4-dibromocylohexane (V) tetrabromomethane. (VI) 1, 1-dibromocyclohexane
Options
- AI and II
- BII, III and V
- CII and V
- DI, IV and VI
Correct answer
B. II, III and V
Step-by-step solution
(II) anti conformation of 1, 2-dibromoethane, µ = 0 (III) trans-1, 4-dibromocyclohexane, µ = 0 (V) tetrabromomethane, µ = 0