Multiple choice question

In elements of group–14, on coming down there is increase in–
(a) Matallic character (b) Non metallic character
(c) In both characters (d) None of these
4 lewg&14 ds rRoks esa mRrsftr voLFkk gksus ij SP3 ladj.k ds dkj.k&
(a) ;kSfxd prq"Qydh; vk—fr x`g.k dj ysrs gSaA
(b) ;kSfxd leyh; jSf[kd vk—fr x`g.k dj ysrs gSaA
(c) ;kSfxd v"V Qydh; vk—fr x`g.k dj ysrs gSaA
(d) mijksDr esa ls dksbZ ughaA
In the excited state group–14 elements acquire–
(a) Tetra hedral structure (b) Linear coplaner structure
(c) Octa hedral structure (d) None of these
5 Qqysfju dgk tkrk gS\
(a) F dks 2 (b) C ds vi:i C32 , C50 , C60 , C70 , C84 vkfn dks
(c) C14 dks (d) mijksDr esa ls dksbZ ugha
Fullerene is called–
(a) F2 (b) Allotropes of C as C32 , C50 , C60 , C70 , C84 (c) C14 (d) None of these
6 lksfM;e ft;ksykbV ;k ijE;wfVV dk lw= gksrk gS&
(a) Na 2 Al 3 SiO 2
(c) Na 2 (Al 2 O 3 . SiO 2 ) 6
Sodium zeolite or permutit is called–
(a) Na 2 Al 3 SiO 2
(c) Na 2 (Al 2 O 3 . SiO 2 ) 6
7 flyhdkWUl gksrs gSa&
75
(b) Na 2 [Al 3 Si 2 O 8 . xH 2 O]
(d) buesa ls dksbZ ugha
(b) Na 2 [Al 3 Si 2 O 8 . xH 2 O]
(d) None of these
(a) Si rFkk C ds la'ysf"kr jSftu (b) isVªksfy;e ls izkIr ;kSfxd
(c) dkcZ flyhdkWu (d) buesa ls dksbZ ugh