4.(a) Draw out the mechanism to form the product C shown (4 marks) following the acid-catalysed reaction of the epoxide below with water. [Use the backbone-intermediate templates given to draw in the two intermediates A and B, adding bonds or groups as needed]. (Hint 1. The acid or Hi is required as the first step. H2O/H* is equivalent to H30*. Hint 2. Think about electronics & stereochemistry!). (b) Name your product in the long thin box (2 marks). Н.С. ICH Hö H20: / H Н.С. Н.С., H3C H3C H2C A B Н.С. CH3 OH МОН H H3C С Product name: