The Lewis structure for H3BO3 is Select one: H-0 Báõ–H a. 1 :0: H 1 Ob. H–ô Bỡ–H :0: | H H-0=B=0-H Ос. :0 H H-0-B-0-H 1 :0: O d. - H 1 O e. H-0-B-04H :0: 1 H Which of the following molecules has the shortest nitrogen-to-nitrogen bond: N2H4. NO, N, N,O4? Select one: a. N2H4 O b. N2 O c. N204 O d. N20 Several resonance structures for the molecule CO2 are shown. Which one of them is likely to be of little importance in describing the bonding in this molecule? Select one: O a. 0=c=0 O b. 00-03 . Ос: :0=C-O: 2+ :: O d. 0-0-0 Two chemically important molecules CS and OCS are used in different chemical reactions, Predict if they have high, lower, or equal dipole moment in comparison (if any) to each other. Select one: O a. CS2 has lower dipole moment than OCS O b. CS, has no dipole moment than OCS O c. Cannot be compare with each other O d. OCS has no dipole moment than CS2 O e. Both have equal dipole moment O f. CS, has higher dipole moment than OCS