if you could help me with these two questions that'd be appreciated! 11.68 is the last two pictures!

1.56 Name and draw structural formulas for all possible monochlorination products that might be formed in each reaction. (a) (b) (c) 11.68 Which of the following compounds can exist as cistrans isomers? For each that can, draw both isomers using solid and dashed wedges to show the orientation in space of the OH and CH3 groups