(a) Give one example each of a naturally occurring substance that; (i) conforms to the general formula C(_x\)(H\(_2\)O)\(_y\); (ii) contains the carboxyl gr...

(a) Give one example each of a naturally occurring substance that;

(i) conforms to the general formula C(_x\)(H\(_2\)O)\(_y\);

(ii) contains the carboxyl group as its functional group.

(b) Name the process for obtaining: (i) paraffin oil from crude oil; (ii) benzene from ethyne.