Assignment 8 - Girish Toofany - Chem121/120 2008-3 Surrey...

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Girish Toofany - Chem121/120 2008-3 Surrey Le 1 Assignment 8. Due date: Sat Nov 15 23:59:00 2008 3 point(s) Lewis Diagrams – Formal Charges How many lone pairs are in the best Lewis structure of CO ? You are correct. Your receipt is 167-5461 What is the total number of valence electrons in the Lewis structure of CN ? You are correct. Your receipt is 167-1246 What is the formal charge on the O atom in the correct or best Lewis structure for CO ? Choices: +7 , +6 , +5 , +4 , +3 , +2 , +1 , 0 , -1 , -2 , -3 , -4 , -5 , -6 , -7 . A. You are correct. Your receipt is 167-2871 4 point(s) Valence Bond Model – Structure and Bonding (4 parts – 3 molecules) VSEPR theory predicts which arrangement of bonds and lone pairs of electrons about the central S atom in SO 3 ? Choices: linear , trigonal planar , tetrahedral , trig- onal bipyramidal , octahedral . Is the SO 3 molecule polar or non-polar? Choices: polar , non-polar . The SO 3 molecule can be said to use which type of S hybrid orbitals for sigma-bonding? Choices: sp , sp2 , sp3 , dsp3 , d2sp3 . You are correct. Your receipt is 167-9249 VSEPR theory predicts which molecular structure (ar- rangement of bonded atoms about the central S atom) for SO 3 ? Choices: linear , bent (angular) , trigonal planar , trigonal pyramidal , T-shaped , tetrahedral , see- saw , square planar , trigonal bipyramidal , square pyramidal , octahedral . The SO 3 molecule displays which bond angles (in de- grees)about the central S? Choices: 90 , 109.5 , 120 , 180 , 90 and 120 , 90 and 180 , 120 and 180 , 90, 120 and 180 . A. (Your answer must include all bond angles about the central atom.) You are correct. Your receipt is 167-482 Is the KrF 4 molecule polar or non-polar? Choices: polar , non-polar . VSEPR theory predicts which arrangement of bonds and lone pairs of electrons about the central Kr atom in KrF 4 ? Choices: linear , trigonal planar , tetrahedral , trig- onal bipyramidal , octahedral . The KrF 4 molecule can be said to use which type of Kr hybrid orbitals for sigma-bonding? Choices: sp , sp2 , sp3 , dsp3 , d2sp3 . You are correct. Your receipt is 167-9322
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Girish Toofany - Chem121/120 2008-3 Surrey Le 3 Assignment 8. VSEPR
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Assignment 8 - Girish Toofany - Chem121/120 2008-3 Surrey...

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