Determine the shape around each central atom in each molecule, and explain any deviation from ideal bond angles:(a) H2SO3 (no H¬S bond)                 (b) N2O3 (ONNO2)

The cyanate ion is an anion consisting of one oxygen atom, one carbon atom, and onenitrogen atom, [OCN], in that order. a) Write three (3) resonance contributing structures for the cyanate ion. Show formalcharges.b) Based on your contributing structures, predict the O-C-N bond angle.

1. Draw the Lewis structures for each of the following ions or molecules. For each, give (i) the molecular shape, (ii) the electron pair geometry at the central atom, and (iii) the hybridization of the central atom. (a) POF3 (b) XeO₂F3+ (c) BrCl₂ (d) N3 (the central atom is N; two other N's are bonded to it) (e) PF3

C, N, and O are from groups 4, 5, and 6, and their atomic numbers are 6, 7, and 8. (1) Give a reasonable Lewis structure for CN2−, including formal charges (N.B. the C is the central atom). 2 (2) Give a reasonable Lewis structure for CO2−, including formal charges (N.B. the C is the central atom). 3 (3) Give a reasonable Lewis structure for O2−, including formal charges. 2 (4) Give a reasonable Lewis structure for O3, including formal charges (N.B. the molecule is not cyclic) (5) What is the oxydation state of C in OCN− (N.B. C is the central atom)?

Determine the electron-group arrangement, molecular shape, and ideal bond angle(s) for each of the following. (b) BF3 (a) H30+ Electron-group arrangement O bent (c) CIO2 Electron-group arrangement bent Electron-group arrangement bent linear linear linear tetrahedral tetrahedral tetrahedral O trigonal planar O trigonal planar trigonal planar Molecular shape O bent Molecular shape O bent Molecular shape O bent linear linear linear square planar square planar square planar tetrahedral tetrahedral tetrahedral trigonal planar O trigonal planar O trigonal pyramidal trigonal planar O trigonal pyramidal trigonal pyramidal Ideal bond angle Ideal bond angle O 90° Ideal bond angle 90° 90° 109.5° 109.5° 109.5° 120° 120° 120° 180° 180° 180°

Two important industrial chemicals, ethene, C2H4, and propene, C3H6, are produced by the steam (or thermal) cracking process:  2C3H8(g) = C2H4(g) + C3H6(g) + CH4(g) + H2(g)  For each of the four carbon compounds, do the following:  (a) Draw a Lewis Structure  (b) Predict the geometry about the carbon atom  (c) Determine the hybridization of each type of carbon atom

(a) Use the VSEPR theory to predict the structure of theNNO molecule.(b) The substance NNO has a small dipole moment.Which end of the molecule is more likely to be thepositive end, based only on electronegativity?

Complete the following table based on the structure of the given molecules or ions. (Note: Lewis structure will not be graded) Electron Pair Geometry Molecular Geometry Hybridization of the Central Atom Molecule/lon Resonance Structures (Yes/No) (a) Chlorine trifluoride (CIF3) (b) Nitrite ion (NO2')