Identify compound U that contains only three elements.
Describe the reagents and the conditions used in reaction 1.
Identify compound V from the scheme.
Complete the equation shown for reaction 3. $\text{CH}_3\text{COOH} + \text{SOCl}_2 \rightarrow \; \ldots$
Identify compound W from the information given.
Describe the conditions used for reaction 4.
Suggest the reagent used in reaction 6.
Complete Table 7.1 by inserting the reaction numbers, 1, 2, 3, 4, 5 and 6, into the right-hand column. Use the reaction numbers from Fig. 7.1. Each of the numbers 1, 2, 3, 4, 5 and 6 must be used once only.
Compare the basicities of $\text{C}_2\text{H}_5\text{NHCOCH}_3$, $\text{C}_2\text{H}_5\text{NHCH}_2\text{C}_2\text{H}_5$ and $\text{NH}_3$. Explain your answer.