University of New Zealand.
B.A. Examination for Honours, 1885.
Chemistry and Experimental Physics.
Paper
a (1).
Organic Chemistry.
Examiner: Prof.
W. A. Tilden, D.Sc., F.R.S.
1. |
A liquid hydrocarbon is given you with the request to determine whether it belongs to the paraffin, the olefine, or the benzene series. How would you proceed? |
2. |
Describe the production of the several isomeric monochlorotoluenes C
7H
7Cl, write constitutional formulae for them, and justify by reference to their reactions the formulas you employ. |
3. |
Describe the chief reactions by which glycollic acid is produced. Write formulas for the amides derivable from glycollic acid. |
4. |
Give exact instructions for making pure ethyl iodide. |
5. |
Enumerate with explanatory equations the principal
general processes by which amines or compound ammonias may be formed. |
6. |
Explain the reactions which occur in the following processes:—
a. |
Oxalic acid heated with concentrated sulphuric acid. |
b. |
Ammonium oxalate heated alone. |
c. |
Sodium oxalate heated alone. |
d. |
Ethyl oxalate mixed with ethylamine. | |