Question

please explain

E. Triterpene 32. The reaction of terephthaloyl chloride with ethylene glycol, shown, forms a 35. Reduction of D-xylose (shown) with sodium borohydride yields a product that is CHO H OH NaBHA HH HOH CH2OH HOOH H20 CI A. polyester B. polyamide C. polyether D. polycarbonate E polyurethane A. a racemic mixture B. a single pure enantiomer C. an equal mixture of two diastereomers D. an unequal mixture of two diastereomers E. a meso compound 33. Which of the following substituents is NOT an ortho/para director in electrophilic aromatic substitution? 36. Which of the following reagents can be used to convert cyclopentanol to bromocyclopentane A. -CI B. -NHCOCH C.-CONH2 D. -OH E. -CH3 A. NaBr B. PBr3 C. Bry, CCIE D. N-bromosuccinimide (NBS), hv E. Br, H,0

Answer 1

Solution As per given in the 33 -&evt bomoh — my Az polyester questions - formati ini Trylene or Polyester in Electrophilic Following groups are olp direction aromatic substitution reachon. -Cl, - NH Groll, oh, och --Conny is a meta directing group thus Ansac (-Conn) 3 eno H on Mably, tog hlon си ои Hotu Ton the ho ең оң H04 HT Hoon chan single stereo is ones. - Bromo cyclo pentane. Cyclopentano & P&n Dm