Chapter 5

Question 1

2 electron groups, and 2 bonding groups

Answer 1

Linear (180 deg) electron and molecular geometry

Question 2

3 electron groups, 3 bonding groups

Answer 2

trigonal planar electron and molecular geometry (120 deg)

Question 3

3 electron groups, 2 bonding groups

Answer 3

trigonal planar electron and bent molecular geometry (< 120 deg)

Question 4

4 electron groups and 4 bonding groups

Answer 4

Tetrahedral electron and molecular geometry (109.5 deg)

Question 5

4 electron groups and 3 bonding groups

Answer 5

Tetrahedral electron and trigonal pyramidal molecular geometry ( < 109.5 deg)

Question 6

4 electron groups and 2 bonding groups

Answer 6

Tetrahedral electron and bent molecular geometry ( < 109.5 deg)

Question 7

5 electron groups and 5 bonding groups

Answer 7

Trigonal bipyramidal (120 equatorial, 90 aixal)

Question 8

5 electron groups and 4 bonding groups

Answer 8

Trigonal bipyramidal electron and seesaw molecular geometry ( < 120 equatorial, < 90 aixal)

Question 9

5 electron groups and 3 bonding groups

Answer 9

Trigonal bipyramidal electron and T-shaped molecular geometry ( < 90 aixal)

Question 10

5 electron groups and 2 bonding groups

Answer 10

Trigonal bipyramidal electron and linear molecular geometry ( 180 aixal)

Question 11

6 electron groups and 6 bonding groups

Answer 11

octahedral electron and octahedral molecular geometry ( 90 deg)

Question 12

6 electron groups and 5 bonding groups

Answer 12

octahedral electron and square pyramidal molecular geometry ( < 90 deg)

Question 13

6 electron groups and 4 bonding groups

Answer 13

octahedral electron and square planar molecular geometry ( 90 deg)