In which region of the electromagnetic spectrum
does an absorption at 177 nm come :
(a) Infrared
(b) Visible
(c) Near UV
(d) Vacuum
3. 7C = 0 mecetn kesâ yeerÛe DeMees<eCe efMeKej efoKeelee nw :
(De) 1750 - 1600 mesceer –1
(ye) 1200 - 1000 mesceer –1
(me) 1050 - 550 mesceer –1
(o) 2970 - 1375 mesceer –1
7C = 0 group shows absorption peak between :
(a) 1750 - 1600 cm–1
(b) 1200 - 1000 cm–1
(c) 1050 - 500 cm–1
(d) 2970 - 1375 cm–1
4. 13C NMR ceW CDCl3 kesâ efueS efMeKej yenguelee osKee peelee nw :
(De) 1 : 2 : 1
(ye) 1 : 3 : 1
(me) 1 : 1 : 1
(o) FveceW mes keâesF& veneR
In 13C NMR the peak multiplicity observed for
CDCl3 is :
(a) 1 : 2 : 1
(b) 1 : 3 : 1
(c) 1 : 1 : 1
(d) None of these
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