Question

1.It is a measure of how equally the electrons in a bond are distributed between the two atoms involved in a covalent bond.

A. polarity   C. ionization energy

B. octet rule    D. electron affinity 

2.The reaction of water with alkene to produce an alcohol is a/an ______ reaction. 

A. Addition    C. Combustion

B. Condensation    D. Saponification 

3. The organic starting materials for the preparation of an ester could be_________

A. an acid and alcohol   C. a ketone and alcohol

B. water and oxygen     D. alkane and aldehyde

4. Ammonia (NH₃), can be considered a Lewis base because it can donate what?

A. electrons   C. protons

B. hydronium ions   D. hydroxide ions 

5. In the ground state of a cobalt atom there are _____ unpaired electrons and the atom is _____.

A. 3, paramagnetic

C. 2, diamagnetic

B. B. 5, paramagnetic

D. 0, diamagnetic

6.Which of the following bond is the strongest?

A. carbon – hydrogen bond C. carbon – carbon triple bond

B. carbon – nitrogen bond  D. carbon – carbon single bond 

Answer 1

1.D. electron affinity

2.A. Addition

3. C. a ketone and alcohol

4.A. electrons

5.A. 3, paramagnetic

6.carbon – carbon triple bond