(a) (i) (i) (b) Give a simple visual chemical test, indicating the observations, used to differentiate between the following pair of organic compounds. (3 marks) and and Give a name to the following functional groups. (i) (ii) H (iii) (iv) (4 marks) (c) In keto-enol tautomerism the enol form of 2,4-hexanedone is preferred over the keto form. However, the keto form of acetone is preferred over the enol form (2 marks)