1011ExamPrepWorksheet.doc Chapter 19.1 Balancing Redox Equations Chapter 19.1 Multiple Choice 1) What is the oxidation number of phosphorus in (NH4)H3P2O7? a) +7 b) +6 c) +5 d) +4 e) +3 Chapter 19.1 Longer answer 1) Balance the following redox reaction in basic solution. SO42−(aq) + I−(aq)→I2(aq) + H2S(aq) 2) Consider the following reaction: 3) Balance the following redox skeleton equation in basic solution: Fe2+(aq) + Cr2O72-(aq) →Fe3+(aq) + Cr3+(aq) Chapter 9 Ionic and Covalent Bonding Chapter 9 Multiple Choice 1) The nitrogen–hydrogen bond in a molecule of ammonia is an example of what type of bond? 2) A triple bond is generally composed of 3) Xenon atoms in a compound like XeF4can be shown to have sp3d2hybrid orbitals. How many of these sp3d2 hybrid orbitals are there associated with Xe? a) 2 b) 4 c) 6 d) 8 Chapter 10 Molecular Geometry Chapter 10 Multiple Choice 1) Which of the following statements is FALSEfor sp3hybridized orbitals? other atoms. hybridization is 90e) sp3hybridization gives water its bent geometry - 1 -
1011ExamPrepWorksheet.doc Chapter 10 Shorter Answer 1) The molecule methyl cyanoacrylate, shown below, is used to make polymers. Specify the type of hybridization of the carbon atoms labeled X, Y and Z. H2CCCNOOCH3ZXY2) Write the two electron-dot resonance structures for the molecule SeO2. 3) What is the hybridization of N in the molecule F-N=N-F? 4) Briefly, but completely, explain or define hybrid orbitals.1) Which of the following is a covalent network solid?
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