Using Mandarin to answer the short questions is allowed except question 32 and 33.
21. Urea, (H2N)2CO, is excreted by mammals and can be used as a fertilizer.
申論題內容
21f. The IR spectrum of urea is shown below.
Identify the bonds causing the absorptions at 3450 cm–1
and 1700 cm–1
using the data in the appendix. [2
marks]
阿摩線上測驗
登入
Identify the bonds causing the absorptions at 3450 cm–1
and 1700 cm–1
using the data in the appendix. [2
marks]