Chapter 8 Molecular geometry

Question 1

2 bond pairs 0 lone pair

Answer 1

linear arrangement
linear geometry
180 deg

Question 2

3 bond pairs 0 lone pair

Answer 2

trigonal planar arrangement
trigonal planar geometry
120 deg

Question 3

2 bond pairs 1 lone pair

Answer 3

trigonal planar arrangement
angular/bent geometry
<120 deg

Question 4

4 bond pairs 0 lone pair

Answer 4

tetrahedral arrangement
tetrahedral geometry
109.5 deg

Question 5

3 bond pairs 1 lone pair

Answer 5

tetrahedral arrangement
trigonal pyramidal geometry
<109.5 deg

Question 6

2 bond pairs 2 lone pairs

Answer 6

tetrahedral arrangement
angular/bent geometry
105 deg

Question 7

5 bond pairs 0 lone pair

Answer 7

trigonal bipyramidal arrangement
trigonal bipyramidal geometry
120 deg and 90 deg

Question 8

4 bond pairs 1 lone pair

Answer 8

trigonal bipyramidal arrangement
see-saw geometry

Question 9

3 bond pairs 2 lone pairs

Answer 9

trigonal bipyramidal arrangement
t-shaped geometry

Question 10

2 bond pairs 3 lone pairs

Answer 10

trigonal bipyramidal arrangement
linear arrangement

Question 11

6 bond pairs 0 lone pair

Answer 11

octahedral arrangement
octahedral geometry
90 deg

Question 12

5 bond pairs 1 lone pair

Answer 12

octahedral arrangement
square pyramidal geometry

Question 13

4 bond pairs 2 lone pairs

Answer 13

octahedral arrangement
square planar geometry