Fundamentals of Organic Chemistry 7th Edition By by John E. McMurry – Test Bank

Chapter 1-Structure and Bonding:Acids and Bases

1. How many total valence electrons are represented in the following electron configuration?

1s²2s²2p_x² 2p_y² 2p_z¹ or 1s²2s²2p⁵

ANS:  D

Instructions: Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show all nonbonding electrons.

2. Write:

CH₃CH₂OH     ethanol

ANS:

3. The structure of urea is shown below. Fill in any nonbonding valence electrons that are missing from the line-bond structure.

ANS:

Instructions: Determine the hybridization for the indicated atoms in each structure below.

4. Refer to instructions. The hybridization of carbon atom A is _____.

ANS:  sp²

5. Refer to instructions. The hybridization of carbon atom B is _____.

ANS:

sp

6. How many nonbonding electron pairs are in the structure shown below?

ANS:  B