Which of the following molecules have non-zero dipole moments ?
(I) gauche conformation of 1,2-dibromoethane
(II) anti conformation of 1,2-dibromoethane
(III) trans-1,4-dibromocyclohexane
(IV) cis1,4-dibromocyclohexane
(V) tetrabromomethane
(VI) 1,1-dibromocyclexane

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

Which of the following molecules have non-zero dipole moments ? (I) Gauche conformation of 1, 2 -dibromoethane (II) Anti conformation 1,2-dibromorthane (III) Trans-1,4 -dibromocyclohexane (IV) Cis-1, 4-dibromocyclohexane (V) Tetrabromomethane (VI) Dibromocychexane

Which of the following molecule (s) have dipole moment (I) Trans -pent -2-me (II) cis-hex -3-ene (III) 2,2-Dimethy1 propane (IV) 2,2,3,3 tetramethy1 butane .

1, 2 - Dibromocyclohexane on dehydrobromination gives:

Most stalbe conformation of 1,4-cycohexane diol in its cis from is :