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Ch 10 Example Problems

Ch 10 Example Problems - 4 determine the number of single...

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HODSON CHE 1301 Petrucci Ch10 Example Problems The following problems are taken from old exams ...... 1. In which of he following molecules would you expect the nitrogen to nitrogen bond to be the shortest (where appropriate, formulae are written as condensed structural formulae) ? a) NH 3 b) H 2 NNH 2 c)   O 2 NNO 2 d) N 2 e) N 2 O 2. Which of the following species exhibits resonance ? 3. Which of the following is a bent (non-linear) molecule ? 4. What is the formal charge on B in BF 4 ? 5. After drawing the Lewis dot structure for XeCl
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Unformatted text preview: 4 , determine the number of single bonds, double bonds, and lone pairs on the central atom ? a) 4, 0, 1 b) 4, 0, 0 c) 1, 3, 0 d) 3, 1, 0 e) 4, 0, 2 6. What is the molecular geometry of BrF 5 ? a) linear b) trigonal bipyramid c) square planar d) octahedral e) square pyramid 7. Given the bond enthalpies H–O (464), Cl–Cl (243), Cl–O (205), and H–Cl (431) in kJ/ mol, compute Δ H ° in kJ/mol for H 2 O (g) + Cl 2(g) → HOCl (g) + HCl (g) a) +393 b)–1100 c) –393 d) +1100 e) +71...
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