Fig. 5.1 shows the displayed formula of compound A. [Figure 5.1]

1. (a)(i)Draw a circle around the functional group on Fig. 5.1 that is also present in alkenes.[1]
2. (a)(ii)Deduce the molecular formula of compound A.[1]
3. (a)(iii)Compound A is a solid at 20°C. Describe the motion and arrangement of the particles in a solid. motion arrangement[2]
4. (b)(i)Alkenes react with hydrogen in the presence of a catalyst. Draw a circle around the type of reaction that takes place. addition condensation neutralisation substitution[1]
5. (b)(ii)Name the catalyst used.[1]
6. (c)Fig. 5.2 shows the structure of compound B. [Figure 5.2] Compound B can be polymerised. Draw two repeat units of the polymer formed when compound B is polymerised.[2]
7. (d)(i)Fig. 5.3 shows part of the structure of a protein. [Figure 5.3] Name the type of monomer used to make proteins.[1]
8. (d)(ii)Name the linkage in proteins.[1]

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