Answers_worksheet_3

Answers_worksheet_3 - o H 3 PO 4 (no H-P bond) ClO 3-EGD:...

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CH1020 Exercises (Worksheet 3) (VSEPR) 1. In what situation is the name of the molecular shape the same as the name of the electron group distribution? When there are no lone pairs 2. Which of the following numbers of electron groups can give rise to a bent (V- shaped) molecule: 2, 3, 4, 5, 6? 3 and 4 3. Name all the molecular shapes that have a tetrahedral electron group arrangement. Tetrahedral, trigonal pyramidal, bent 4. Use wedge-bond perspective drawings (if necessary) to sketch the atom positions in a general molecule of formula AX n that has each of the following shapes: Refer to Figure 10.9 on Page 382 (Silberberg, fourth edition) a. V-shaped b. trigonal planar c. trigonal bipyramidal d. T-shape e. trigonal pyramidal f. square pyramidal 5. Determine the electron group distribution( EGD ), molecular shape (MS) and bond angle (s) for each of the following: O 3 H 3 C– O – CH 2 CH 3 EGD: trigonal planar EGD: tetrahedral for all MS: bent MS: tetrahedral for Cs and bent around O Bondangle(s): 120 o Bond angles: 109
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Unformatted text preview: o H 3 PO 4 (no H-P bond) ClO 3-EGD: tetrahedral EGD: tetrahedral MS:tetrahedral MS: trigonal prramidal Bondangle(s):109 o Bond angles: 109 o H 2 O 2 N 2 O 4 (O 2 NNO 2 ) EGD: tetrahedral EGD: trigonal planar MS: bent MS: trigonal planar Bondangle(s): 109 o Bond angles: 120 o BF 3 SO 4 2-EGD: trigonal planar EGD: tetrahedral MS: trigonal planar MS: tetrahedral Bondangle(s): 120 o Bond angles: 109 o CO 3 2-SO 2 EGD: trigonal planar EGD: trigonal planar MS: trigonal planar MS: bent Bondangle(s): 120 o Bond angles: 120 o N 2 O (N is central atom) CF 4 EGD: linear EGD: tetrahedral MS: linear MS: tetrahedral Bondangle(s): 180 o Bond angles: 109 o ClO 2-PF 5 EGD: tetrahedral EGD: trigonal bipyramidal MS: bent MS: trigonal bipyramidal Bondangle(s): 109 o Bond angles: 180 o , 90 o , 120 o KrF 2 TeF 5-EGD: trigonal bipyramidal EGD: octahedral MS: linear MS: square pyramidal Bondangle(s): 180 o Bond angles: 90 o , 180 o...
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This note was uploaded on 04/17/2008 for the course CHE 1020 taught by Professor Kumar during the Summer '08 term at WPI.

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Answers_worksheet_3 - o H 3 PO 4 (no H-P bond) ClO 3-EGD:...

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