= tpj;aghujp nkl;hpf; nky;epiyg; gs;sp · 12/09/2018 · shri vidhyabharathi mat.hr.sec.school,...

9
SHRI VIDHYABHARATHI MAT.HR.SEC.SCHOOL, SAKKARAMPALAYAM. 99655-31727 Page 1 = tpj;aghujp nkl;hpf; Nky;epiyg; gs;sp rf;fuhk;ghisak;> mfuk;(m)> vyr;rpg;ghisak;> jpUr;nrq;NfhL(jh)> ehkf;fy; (kh) - 637202 Cell : 99655-31727, 94432-31727 fhyhz;Lg; nghJj;Njh; T nrg;lk;gh; 2018 tFg;G: XII ghlk;: Ntjpapay; Ntjpapay; tpilf;Fwpg;G kjpg;ngz;fs; : 70 Q.NO SECTION-I MAR KS 1 b) Mf;bidLfs; 1 2 a) Eiu kpjg;G Kiw 1 3 b) 2-gpA+l;ldhy; 1 4 c) PH3 1 5 d) 4, 1, 8 1 6 a) 4 3 2 1 1 7 c) 2 1 8 c) $w;W rhp Mdhy; fhuzk; jtW 1 9 a) nguhf;irL 1 10 b) 3s 2 3p 5 1 11 a) 1, 3 1 12 a) KC f;F rkk; 1 13 a) mrpl;lhy;bi`L 1 14 b) 6.932x10 -2 min -1 c) 0.693 x10 -1 min -1 1 15 b) /ghh;kpf; mkpyk; 1 Q.NO SECTION-II MAR KS 16 %yf; $wpy; vyf;l;uhd;fs; mike;Js;s Gjpa Mh;gpl;lhy;fs; %yf; $W Mh;gpl;lhy;fs; vdg;gLfpd;wd. 2M 17 yhe;jidL FWf;fj;jhy; Ln 3+ madpfspd; gUkd;> mZ vz; mjpfhpf; f mjpfhpf; f gbg;gbahf FiwfpwJ. La 3+ > Ce 3+ …………… > Lu 3+ gh[hd;]; tpjpapd;gb Ln 3+ madpfspd; gUkd; Fiwtjhy; Ln(OH)3 ,y; cs;s Ln 3+ kw;Wk; OH - madpf; Fk; ,ilNa cs;s rfg;gpizg;Gg; gz;G mjpfkhfpwJ kw;Wk; fhuj;jd;ik FiwfpwJ. vdNt Ln 3+ mjpf fhuj;jd;ik cilaJ. 2M 18 /g;Shpd; mZtpd; ntspf; $l;by; d-Mh;gpl;lhy;fs; ,y;yhjjhy; ,J ghyp`hiyLfis cUthf;Ftjpy;iy. vdNt 3 3 3 , , I Br Cl madpfs; cs;sd. Mdhy; F3 - madp ,y;iy. 2M 19 nghJthd Gs;sp FiwghLfs; g;nuq;fy; FiwghL - AgBr or AgCl \hl;fp FiwghL - NaCl 1M 1M www.Padasalai.Ne www.Padasalai.Ne www.Padasalai.Ne www.Padasalai.Ne www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasal ww.Padasalai.Net ww.Padasalai.Net ww.Padasalai.Net ww.Padasalai.Net ww.Padasal www.Padasalai.N www.Padasalai.N www.Padasalai.N www.Padasalai.N www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasala ww.Padasalai.Net ww.Padasalai.Net ww.Padasalai.Net ww.Padasalai.Net ww.Padasala www.Padasalai.Net www.TrbTnpsc.com http://www.trbtnpsc.com/2017/09/12th-quarterly-exam-question-papers-and-answer-keys-download.html

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Page 1: = tpj;aghujp nkl;hpf; Nky;epiyg; gs;sp · 12/09/2018 · SHRI VIDHYABHARATHI MAT.HR.SEC.SCHOOL, SAKKARAMPALAYAM. 99655-31727 2 20 ΔG = ΔH - TΔS 300K y; ΔG = -10,000 - (20 x 300

SHRI VIDHYABHARATHI MAT.HR.SEC.SCHOOL, SAKKARAMPALAYAM. 99655-31727 Page 1

= tpj;aghujp nkl;hpf; Nky;epiyg; gs;sp rf;fuhk;ghisak;> mfuk;(m)> vyr;rpg;ghisak;>

jpUr;nrq;NfhL(jh)> ehkf;fy;(kh) - 637202

Cell : 99655-31727, 94432-31727

fhyhz;Lg; nghJj;Njh;T – nrg;lk;gh; 2018 tFg;G: XII

ghlk;: Ntjpapay; Ntjpapay; tpilf;Fwpg;G kjpg;ngz;fs; : 70

Q.NO SECTION-I MAR

KS 1 b) Mf;bidLfs; 1 2 a) Eiu kpjg;G Kiw 1 3 b) 2-gpA+l;ldhy; 1 4 c) PH3 1 5 d) 4, 1, 8 1 6 a) a) 4 3 2 1 1 7 b) c) 2 1 8 c) $w;W rhp Mdhy; fhuzk; jtW 1 9 a) nguhf;irL 1

10 b) 3s2 3p5 1 11 a) 1, 3 1 12 a) a) KC f;F rkk; 1 13 a) mrpl;lhy;bi`L 1 14 b) 6.932x10-2min-1 c) 0.693 x10-1min-1 1 15 b) /ghh;kpf; mkpyk; 1

Q.NO SECTION-II MAR

KS

16

%yf;$wpy; vyf;l;uhd;fs; mike;Js;s Gjpa Mh;gpl;lhy;fs; %yf;$W Mh;gpl;lhy;fs; vdg;gLfpd;wd.

2M

17

yhe;jidL FWf;fj;jhy; Ln3+ madpfspd; gUkd;> mZ vz; mjpfhpf;f mjpfhpf;f gbg;gbahf FiwfpwJ. La3+ > Ce3+ …………… > Lu3+ gh[hd;]; tpjpapd;gb Ln3+ madpfspd; gUkd; Fiwtjhy; Ln(OH)3 ,y; cs;s Ln3+ kw;Wk; OH- madpf;Fk; ,ilNa cs;s rfg;gpizg;Gg; gz;G mjpfkhfpwJ kw;Wk; fhuj;jd;ik FiwfpwJ. vdNt Ln3+ mjpf fhuj;jd;ik cilaJ.

2M

18

/g;Shpd; mZtpd; ntspf;$l;by; d-Mh;gpl;lhy;fs; ,y;yhjjhy; ,J ghyp`hiyLfis cUthf;Ftjpy;iy. vdNt 3 3 3, ,I Br Cl madpfs;

cs;sd. Mdhy; F3- madp ,y;iy. 2M

19

nghJthd Gs;sp FiwghLfs; g;nuq;fy; FiwghL - AgBr or AgCl \hl;fp FiwghL - NaCl

1M

1M

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http://www.trbtnpsc.com/2017/09/12th-quarterly-exam-question-papers-and-answer-keys-download.html

Page 2: = tpj;aghujp nkl;hpf; Nky;epiyg; gs;sp · 12/09/2018 · SHRI VIDHYABHARATHI MAT.HR.SEC.SCHOOL, SAKKARAMPALAYAM. 99655-31727 2 20 ΔG = ΔH - TΔS 300K y; ΔG = -10,000 - (20 x 300

SHRI VIDHYABHARATHI MAT.HR.SEC.SCHOOL, SAKKARAMPALAYAM. 99655-31727 Page 2

20

ΔG = ΔH - TΔS

300K y; ΔG = -10,000 - (20 x 300) = - 16,000 cals.mole-1

Fwpg;G : (tpil ½ kjpg;ngz; + myF ½ )

1M

1M

21

rkepiyapy; cs;s Xh; mikg;gpd; kPJ ghjpg;ig Vw;gLj;jpdhy; rkepiyahdJ me;j ghjpg;gpdhy; Vw;gLk; tpisit rkd; nra;Ak; jpiria Nehf;fp efUk;.

2M

22

2M

23

2M

24

mdpNrhypy; miuy; C-O gpizg;G gpsTgLtjpy;iy. ,jdhy; nkj;jpy; My;f`hYk; mNahNlhngd;rPDk; cz;lhtjpy;iy.

2M

Q.NO SECTION-III MAR

KS

25

mZ vyf;l;uhd; mikg;G

7N 1s2, 2s2, 2p3

8O 1s2, 2s2, 2p4

iel;u[dhdJ ghjp epuk;gpa Mh;gpl;lhiyg; ngw;Ws;sJ. Mf;]p[dhdJ gFjpasT epuk;gpa Mh;gpl;lhiyg; ngw;Ws;sJ. ghjp epuk;gpa Mh;gpl;lhy; mjpfepiyg;Gj;jd;ik nfhz;lJ Mifahy; mjpypUe;J vyf;l;uhid vspjpy; ePf;f ,ayhJ. Mifahy; N>0

1 M

2 M

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http://www.trbtnpsc.com/2017/09/12th-quarterly-exam-question-papers-and-answer-keys-download.html

Page 3: = tpj;aghujp nkl;hpf; Nky;epiyg; gs;sp · 12/09/2018 · SHRI VIDHYABHARATHI MAT.HR.SEC.SCHOOL, SAKKARAMPALAYAM. 99655-31727 2 20 ΔG = ΔH - TΔS 300K y; ΔG = -10,000 - (20 x 300

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(VNjDk; 3 rpwg;gpay;Gfs;)

3 M

27

( ) ( ) ( ) ( )2 g g g gA B C D

vd;w tpidapy; mOj;jk; mjpfhpf;Fk; NghJ fdmsT

FiwfpwJ. vdNt Kd;Ndhf;F tpidf;F rhj;jpakhfpwJ. mOj;jk; Fiwf;Fk; NghJ gpd;Ndhf;F tpidf;F rhj;jpakhfpwJ.

( ) ( ) ( ) ( ) g g g gL M N O

vd;w tpidapy; tpidgL nghUl;fspd; Nkhy;fspd;

vz;zpf;ifAk; tpidtpis nghUl;fspd; Nkhy;fspd; vz;zpf;ifAk; rkk;. vdNt mOj;jj;jhy; ve;j ghjpg;Gk; ,y;iy.

1 ½ M

1 ½ M

28

1½ M

1½ M

29

Fwpg;G : (tpil ½ kjpg;ngz; + myF ½ )

1 M

2 M

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