Bonds

Question 1

Bond dissociation energy

Answer 1

Energy needed to break a bond homolytically

Question 2

Homolytic bond cleavage

Answer 2

One electron of cleavage goes to each fragment of molecule and two radicals are formed

Question 3

Heterolytic bond cleavage

Answer 3

Both electrons making up bond end up on same atom

Question 4

What type of bond has higher dissociation energy?

Answer 4

Triple bond

Question 5

If a molecule has a high percentage of p character is the bond strong or weak?

Answer 5

Weak and bond is longer

Question 6

If a molecule is sp3 what is the bond angle and orbital geometry?

Answer 6

109.5 and tetrahedral

Question 7

If molecule is sp2 what is bond angle and orbital geometry?

Answer 7

120 and trigonal planar

Question 8

If molecule is sp what is bond angle and orbital geometry?

Answer 8

180 and linear

Question 9

If there is one electron pair what is shape and orbital geometry?

Answer 9

Trigonal planar and bent

Question 10

If there is one lone pair and molecule is tetrahedral what is its shape?

Answer 10

Trigonal pyramid

Question 11

If there is two lone pairs and molecule is tetrahedral what is the shape?

Answer 11

Bent

Question 12

Sigma bonds

Answer 12

Two electrons localized between two nuclei

Question 13

Pi bonds

Answer 13

Double bonds

Question 14

Vapor pressure

Answer 14

Pressure exerted by gas phase of liquid that evaporated from exposed surface of liquid.

Question 15

If intermolecular forces are weak, what is vapor pressure?

Answer 15

High

Question 16

What makes metals good conductors of electricity and heat?

Answer 16

Free roaming electrons

Question 17

Are molecular solids held together by intermolecular or intramolecular interactions?

Answer 17

Intermolecular