J, K, and L PLEASE. thanks so much!

For each of the following questions, draw the structure of the reactant, write the formula of the reagent, catalyst (if any), and draw the product. R and R are not permitted in any example. Propose a synthesis method to show how you will prepare or make an imine starting from a ketone. K. Propose a synthesis method to show how you will prepare or make a gem diol starting from a ketone. L. Propose a synthesis method to show how you will prepare or make an alkene starting from a ketone