Question

3.14 Which compounds contain chiral centers? (a) 2-Chloropentane (b) 3-Chloropentane (c) 3-Chloro-1-pentene (d) 1,2-Dichloropropane

Answer 1

Answer. chiral centers The carbon nt group known chiral carbon. which has four differe. as chiral center or a) 2-chloropentane. cl CH₃-C - H 4₂-43 chiral center 2- chloro pentane has shown by *C Asteric sign) b. 3-chloropentane structure. el CH₂ - CH₂ - C- CH₂ - CH3 does not hove chiral 3-chloropentane center. 3-chloro-l-pentene. ( 1 ch=CH- c- CH-CH2 H 3- chloro-l-pentene has chiral center

ol. 1,2 dichloro propane CI-CH₂-c-CH3 It has chiral center. No. of stereo isomer = 20 - where n= No. of chiral center. 8.3.18 сия с И, – 2- сп= CH, ди en carbon is achiral so No stescoiso- mer. ८०० H-C OM CH3 No. of stereo isomer = 2h n=1 No. of stereoisomer: 2

си и си, - c— с соои NH₂ No.of stero isomer 2 СИ – С – СИ,- ДИ No chiral carbon. си, ои - с - ои cИ, ОИ chiral carbon. present) (two -CH₂-OH No are group ОИ си, – си — сесие сно и No. of stereoisomer: 2 (9) си, соои Ио- C- Соом (42cool (two-cly cool No chiral carbon que present) group