Question

List the charachteristics of major peaks for both p-floronitrobenzene and 1-ethoxy-4-nitrobenzene

3500 2500 1000 500 1-Ethoxy-4-nitrobenzene 3500 3000 2500 2000 1500 500

Answer 1

rf miro greup i attached to an aro mauing , N-o Strelkkin Band comes in taeon 1550 415) for assm^trce stretching . and ( 1360-12%) cm' for Symmetrue stretc Fun 1550 - 1415) cm for assmitrncc 0 Rwum e İs a elechon withchawin group , So stretching value nome c c -) (1550-1650) ein Stre N-o) Symmetric 1524 Stretchr 1346 HAVe numben peak lies bel‘w tooo cm i. C Nbon d

aEt (conjugated form) DEt t's +R efect con mining gouf, it can donate electron. So N-o bond strength decreaô es .So Ahretchin1 Mlueny decrzanes, CEC 1254 em 592 Symmelyuic (n) 1496 wwe number (Cwn e-c . simle bond lies themn So, here c-c →1257 cm'. some Lowen wave numben conteined vibratisn up downdcv/nt wp bandin mods
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