Draw the expected product for each of the following single reactions or synthetic chains

Br2 MESO form Na, NH3 1. O, 1. X5 NaNH, (strong base) 2. 4,0 CI 2. H20 H2 Lindlar's catalyst Brz two enantiomers (b) (0.2 points): H2 1.03 Lindlar's catalyst 2. Mes