Organic Chemistry

1) A carbon atom needs _____ additional electrons to satisfy the octet rules.

1. 2
2. 4
3. 6
4. none of the above

2) Which of the following is not an organic compound?

1. CH₄
2. C₆H₁₂O₆
3. CH₃OH
4. CaCO₃

3) A fossil fuel

1. is formed from the decomposition of remains of ancient plants and animals
2. is recycled naturally in the carbon cycle
3. contains mainly methane
4. is not an organic compound

4) An alkane with 22 carbon atoms has the molecular formula

1. C₂₂H₄₄
2. C₂₂H₃₂
3. C₂₂H₄₆
4. C₂₂H₁₂

5) Which of the following is not an ester?

1. propanoate
2. hexanoic acid
3. butanoate
4. methyl acetate

6) One of the products of condensation polymerization is

1. water
2. an acid
3. a monomer
4. a ketone

7) Methanal is the IUPAC name for an

1. aldehyde
2. alcohol
3. acid
4. ether

8) What type of monohydroxy alcohol is 2-propanol?

1. primary
2. secondary
3. tertiary
4. dihodroxy

9) In the alkane family, each member differs from the preceding member by one carbon atom and two hydrogen atoms. Such a series of hydrocarbons is called

1. a homologous series
2. a periodic series
3. an actinide series
4. a lanthanide series

10) Which statement explains why the element carbon forms so many compounds?

1. Carbon atoms combine readily with oxygen
2. Carbon atoms have very high electronegativity
3. Carbon readily forms ionic bonds with other carbon atoms
4. Carbon readily forms covalent bonds with other carbon atoms