Name ________________
Properties of Organic Compounds
Date:_________________
1. Which element is present in all organic compounds?
1) carbon
2) hydrogen
3) nitrogen
4) oxygen
2. Which kind of bond is most common in organic compounds?
1) covalent
2) ionic
3) hydrogen
4) electrovalent
3. Organic compounds that are essentially non-polar and exhibit weak intermolecular forces have
1) low vapor pressure
2) low melting points
3) high boiling points
4) high electrical conductivity in solution
4. Compared with the rate of an inorganic reaction, the rate of an organic reaction is usually
1)
2)
3)
4)
faster, because organic compounds are ionic.
faster, because the organic compounds are molecules.
slower, because organic compounds are ionic.
slower, because the organic compounds are molecules.
5. Which of the following compounds has the highest normal boiling point?
1) C2H6
2) C3H8
3) C4H10
4) C5H12
6. A student investigated four different substances in the solid phase. The table below is a record of the
characteristics (marked with an X) exhibited by each substance.
Which substance has characteristics most like those of an organic compound?
1) A
2) B
3) C
4) D
7. Which atoms can bond with each other to form chains, rings, or networks?
1) carbon atoms
2) hydrogen atoms 3) oxygen atoms
4) nitrogen atoms
8. Which statement explains why the element carbon forms so many compounds?
1)
2)
3)
4)
Carbon atoms combine readily with oxygen.
Carbon atoms have very high electronegativity.
Carbon readily forms ionic bonds with other carbon atoms.
Carbon readily forms covalent bonds with other carbon atoms.
Chemistry!
Properties of Organic Compounds
9. Which structural formula is incorrect?
1)
3)
4)
2)
10. What is the total number of pairs of electrons that one carbon atom shares with the other carbon atom in
the molecule C2H4?
1) 1
2) 2
3) 3
4) 4
Chemistry!