For each pair, give the relationship between the two compounds. Making models will be helpful.
(a) (2R, 3S)-2, 3-dibromohexane and (2S, 3R)-2, 3-dibromohexane
(b) (2R, 3S)-2, 3-dibromohexane and (2R, 3R)-2, 3-dibromohexane
(c)

(d)

(e)

(f)

(g)

(h)

(i)

H,C H,C Br CH CI Cl CHO CHO OH HO--H and OH CHOH CH,OH CHO CHO HO H+-OH and HO- -H OH HO CH OH CH,OH CH3 CH and Br Br CH2CH3 CH2CH3 CH2CH3 CH2 CH2CH3 CH2CH CH2CHand +CH C-N H3C CH(CH3)2 HaC CH CH3)