Ch 16, 4, 5 Quiz

What must occur to have an effective reaction to occur? (Select all answers that apply).

• Sufficient energy

• Correct orientation

• Two different reactants.

• minimum activation energy

According to Collision Theory, a collision always results in the formations of products

• True

• False

The rate of reaction is defined as the change in concentration per unit time of any one reactant or product

• True

• False

The rate of reaction taking place in a solution can be increased by...

• increasing the concentration of reactants

• lowering the temperature

• use of an inhibitor

• none of these answers are correct

The rate of reaction depends on...

• concentration

• particle size

• temperature

• all of the above

The reaction profile diagram is of an endothermic reaction

• True

• False

What electronegativity difference range has a polar covalent bond?

• 1.24 - 1.7

• 0.35 - 0.9

• 0 - 0.35

• 0.41 - 1.7

A covalent bond formed by the side-on overlap of atomic orbitals is a...

• hydrogen bond

• sigma bond

• ionic bond

• pi bond

A tetrahedral bond has a bond angle of...

• 120 degrees

• 109.5 degrees

• 107 degrees

• 104.5 degrees

Van der Waals forces exist due to...

• ions

• temporary dipoles

• polar molecules sharing electrons

• permanent dipoles