Old Exam Papers Dec. 2010 - Video

okYMu izrhiu ls vki D;k le>rs gSa \ mnkgj.k nsdj
le>kb;sA 5
9. (a) Explain the following properties of transition
elements :
(i) Formation of interstitial compounds
(ii) Catalytic properties
(iii) Magnetic properties
laØe.k rÙoksa dh fuEu fo'ks"krkvksa dks le>kb;s %
(i) vUrdksZ'kh; ;kSfxdkas dk fuekZ.k
(ii) mRizsjd xq.k
(iii) pqEcdh; xq.k
(b) Give the electronic configuration of Cu (29) and
Ag (47). 2
Cu (29) rFkk Ag (47) ds bysDVªkWfud foU;kl
nhft;sA 2
(c) Name the elements of d-block which are not
considered as transition elements. 2
600 10 BCH
Papers (A) (December) 2010
(318)
6
6
(iv) flfydkWu dh lg&la;kstdrk dkcZu ls vf/kd gSA
(v) CO 2 ] pwus ds ikuh dks nwf/k;k dj nsrh gSA
(b) (i) P-block elements are having metals, non-
metals and metalloids. Give two examples of
each. 3
P-CykWd rÙoksa esa /kkrq] v/kkrq rFkk mi/kkrq lHkh dk
lekos'k gSA rhuksa izdkj ds rÙoksa ds nks&nks mnkgj.k
nhft;sA 3
(ii) Give the main characteristics of P-block
elements. 2
P-CykWd rÙoksa dh eq[; fo'ks"krkvksa dks
crkb;sA 3
3. (a) How can alkenes be prepared from :
(i) Alcohols
(ii) An alkyl halide
fuEu ls ,Ydhu dSls cuk;saxs %
(i) ,Ydksgy
(ii) ,Ydkby gSykbM
BCH 3 PTO
5
3
3