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- For each of the following species, determine (a) the electron geometry and (b) the hybridization for all nonhydrogenatoms.(i) CH3NH2 (ii) CH3N=O (iii) CH2Cl2 (iv) BrCNFor each of the following species, determine (a) the electron geometry and (b) the hybridization for all nonhydrogen atoms. (i) C2H (v) CH;0* (ii) C2H5 (vi) C3H3 (all hydrogens are on the same carbon) (iii) CH2=0H+ (iv) CH&N*which of the following molecules are polar? ch3cl HCN Both Neither
- How many electrons are there in pi* orbital of NO in its Molecular Orbital Diagram? (a) 1 (b) 0 (c) 2 (d) 3Identify the hybridization of the central atom in each of the following molecules and ions that contain multiple bonds: (a) ClNO (N is the central atom) (b) CS2 (c) Cl2CO (C is the central atom) (d) Cl2SO (S is the central atom) (e) SO2F2 (S is the central atom) (f) XeO2F2 (Xe is the central atom) (g) ClOF2+ (Cl is the central atom)What is the bond order of the CN ion? (hint: draw the Lewis structure of CN first) 0 1 1.5 0 2 0 2.50 3
- Determine the bond order of each member of the following groups, and determine which member of each group is predicted by the molecular orbital model to have the strongest bond.(a) H2, H2+, H2−(b) O2, O22+, O22−(c) Li2, Be2+, Be2(d) F2, F2+, F2−(e) N2, N2+, N2−13) Which of the following molecules does not exhibit a net dipole moment of zero? (a) CO2 (b) CH4 (c) CCI4 (d) H2O (e) SO3There are three compounds with the formula C2H2Cl2: Which of these molecules are polar?
- Consider the following AB3 molecules and ions:PCl3, SO3, AlCl3, SO32- , and CH3+. How many of thesemolecules and ions do you predict to have a trigonal-planarmolecular geometry? (a) 1 (b) 2 (c) 3 (d) 4 (e) 5Be sure to answer all parts. Acetylene (C2H2 ) has a tendency to lose two protons (H*) and form the carbide ion (C,?- ), which is present in a number of ionic compounds, such as CaC2 and MgC2. (a) What is the bond order of the carbide dianion C,²-? (b) For comparison, what is the bond order of C2?Describe the characteristic electron-domain geometry ofeach of the following numbers of electron domains about acentral atom: (a) 3, (b) 4, (c) 5, (d) 6.
