University:
Amherst College
Course:
CHEM 221 | Organic Chemistry I
Academic year:

2010
Views:

363

Pages:

2
Author:

Mason Ritter

Chemistry 11 Fall 2010 Solutions to Problems Lewis Structures and VSEPR 1. 2. SN = 4; tetrahedral polar 4. 3. SN = 2; linear nonpolar 5. SN = 4; tetrahedral nonpolar SN = 3; trigonal planar nonpolar : : Xe : 6. F F SN = 5, 3 lone pairs; linear, nonpolar C O : 7. H H SN = 3; trigonal planar, polar 8. H P H H SN = 4, 1 lone pair; trigonal pyramidal, polar Se : 9. F F SN = 4, 2 lone pairs; bent, polar SN = 4, 2 lone pairs bent, polar Chemistry 11 10. O Fall 2010 C O — O O C O O — O C O — O Note there are 2 lone pairs on each double-bonded O atom and 3 lone pairs on each singlebonded O atom. SN = 3; trigonal planar, nonpolar 11. O H : H—C—N—C—H * H H—C—H H Specify the geometry at EACH ‘central’ atom (those bonded to more than 1 other atom): C* : SN = 3; trigonal planar Other C’s: SN = 4; tetrahedral N: SN = 4, 1 lone pair; trigonal pyramidal Polar molecule

Chemistry 11 Solutions to Problems Lewis Structures and VSEPR

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