Question

Please, correct answer. Will give ?

4. In the 'H NMR spectrum of 1, the methine hydrogen occurs at 8-4.03 ppm while the methine proton of 4-propylheptane occurs at 8 1.2 ppm. Explain. (1)

Answer 1

4- Propye hetore n case 4- proplehaptns it is normal the the mtwin ४।2P?m । petan ocouira af But m ca s cmprund mathine ptston oceurs at hich is wry hyh ield cmnprihad nrma thine Ti is duetotb te niestkopie ebfed of benzene king e k thtin 't-gmg_prctraseopg phcid in on monement tum psoducs on imchuesd tmoyrethr Aield (£). Nas overy pretn is urundad byktrn so eves prstm_ha ts an asund it e We Mould Kmgur mducid mamdte teld oppases the opplied moe . ncom paund is oplied msartic field () l as that hnduad nogiild. me thit th th Frou fore mareie eld epeiena oy the presn is Nav m cs o enzeme in the ditectin of mageic field lien

উध Na em thehyuu e u that, the hogrmuctie Hieldies utsida the ing hawe the aplied king experiencadgrhts field fdubie ld wne dihction wirtn the Qutsi de the ietdThertprtm h on je. H exprioner mor pnagredie tield Then oped mopretie feld renafore Prstm adkd uith bem2em king oceurs doabe Ad Nsus in tgirn melerule, th mthn potm is ut obove the beemadie. tirg. ren e the aneiceld irea dite-tion at that pend, its opposiry tOpplie ld field bield exporencd bo tt pn matu esht pustm becme shielded thon perra hethere ie Poton

Threforu it -403 Ppm) high hield Occers