VSEPR

Question 1

EG = electron group, BG = bonding group, LP = lone pairs

Answer 1

EGeo = electron geometry, MG = molecular geometry, key

Question 2

2 EG, 2 BG, 0 LP

Answer 2

EGeo & MG = Linear, 180 degrees

Question 3

3 EG, 3 BG, 0 LP

Answer 3

EGeo & MG = Trigonal planar, 120 degrees

Question 4

3 EG, 2 BG, 1 LP

Answer 4

EGeo = Trigonal planar, MG = bent, <120 degrees

Question 5

4 EG, 4 BG, 0 LP

Answer 5

EGeo & MG = Tetrahedral, 109.5 degrees

Question 6

4 EG, 3 BG, 1 LP

Answer 6

EGeo = Tetrahedral, MG = Trigonal pyramidal, <109.5 degrees

Question 7

4 EG, 2 BG, 2 LP

Answer 7

EGeo = Tetrahedral, MG = Bent, <109.5 degrees

Question 8

5 EG, 5 BG, 0 LP

Answer 8

EGeo & MG = Trigonal bipyramidal, 120 degrees equatorial, 90 degrees axial

Question 9

5 EG, 4 BG, 1 LP

Answer 9

EGeo = Trigonal bipyramidal, MG = Seesaw, <120 degrees equatorial, <90 degrees axial

Question 10

5 EG, 3 BG, 2 LP

Answer 10

EGeo = Trigonal bipyramidal, MG = T-shaped, <90 degrees

Question 11

5 EG, 2 BG, 3 LP

Answer 11

EGeo = Trigonal bipyramidal, MG = Linear, 180 degrees

Question 12

6 EG, 6 BG, 0 LP

Answer 12

EGeo & MG = Octahedral, 90 degrees

Question 13

6 EG, 5 BG, 1 LP

Answer 13

EGeo = Octahedral, MG = Square pyramidal, <90 degrees

Question 14

6 EG, 4 BG, 2 LP

Answer 14

EGeo = Octahedral, MG = Square planar, 90 degrees