Question

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​

Answer 1

Answer:

sorry I can't understand the question