Chemistry HW 20

Name


  1. Which of the following statements correctly describes what is meant by organic chemistry?
    A set of compounds containing Carbon.
    A set of compounds containing Hydrogen.
    A set of compounds containing Carbon and Hydrogen.
    A set of compounds contianing neither Carbon nor Hydrogen.


  1. What type of bonding is present in organic substances?
    Covalent, which is a transfer of electrons.
    Ionic, which is a transfer of electrons.
    Covalent, which is a sharing of electrons.
    Ionic, which is a sharing of electrons.


  1. In most hydrocarbons, what kind of structure is represented around the carbon atom?
    Tetrahedral, asymmetric, nonpolar.
    Tetrahedral, symmetric, nonpolar.
    Tetrahedral, asymmetric, polar.
    Tetrahedral, symmetric, polar.


  1. Which statement correctly describes the set of hydrocarbons known as alkanes?
    There are mostly single bonds.
    There are double bonds.
    There are triple bonds.
    There are only single bonds.


  1. Which of the following would be an appropriate name for a hydrocarbon that contains 5 carbons and 12 hydrogens?
    pentene
    pentyne
    pentine
    pentane


  1. What is the basis for the classification of hydrocarbons into the three groups, alkanes, alkenes, and alkynes?