12. a) How would you prepare chloroform from ethanol and acetone? Write all the steps involved in these methods. )2(21 b) Write the mechanism of the reaction of 3-methyl-2-butnol with aqueous HBr. )2(21
13. a) What would be the final products of the reaction of HI with diethyl ether and anisole? Explain. Write the application of Zeisel method along with its brief experimental details. )2(21 b) What is aldol condensation? Write its mechanism.