Bonding Chapter 13 (part 1)

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Bonding Chapter 13 (part 1) E-mail: benzene4president@gmail.com Web-site: http://clas.sa.ucsb.edu/staff/terri/

Bonding – ch 13 1. Rank the following in order of increasing electronegativity: a. Cl Br I b. Al Si P

Bonding – ch 13 2. Rank the following bonds in order of increasing polarity: C-O C-Br C-S

Bonding – ch 13 3. Fill in the following table: Substance # of Valence electrons Lewis Structure ClO4- H2CO SO2 HCN ICl3 XeF4

Ave. Bond Energy (kJ/mol) Bonding – ch 13 4. Estimate the value of ΔH for the following reactions: a. b. CH4 (g) + 2 Cl2 (g)  CCl4 (g) + 4 HCl (g) Bond Ave. Bond Energy (kJ/mol) N–H 391 C–Cl 339 C–H 413 N–N 160 Cl–Cl 239 N=N 418 H–Cl 427 N≡N 941 F–F 154 H–F 565

Bonding – ch 13 5. Compare the relative stabilities of the resonance structures for SCN-

Bonding – ch 13 6. Rank the following in order of relative carbon oxygen bond length: CH3OH CO CO2 CO32-

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