Exam-6

1.   miw ntg;gepiyapYk; tspkz;ly mKf;fj;jpYk; jpz;kk;, jputk;, thA vd;Dk; %d;W ngsjPf epiyfspYk; %yfq;fisf; nfhz;Ls;s Mtu;j;jd ml;ltizapd; $l;lq;fs;,

1.                           1,7

2.                           1,5

3.                           1,17

4.                           1,16

5.                           12,17

2.   thA epiyapy; gpd;tUk; Nrhb mad;fspy; vit xd;W Nru;e;J cUthf;Fk; NghJ Mff;$basT rf;jp ntsptplg;gLk; vd vjpu;ghu;g;gPu;?

1.      Mg²⁺, O^2-

2.      Ba²⁺ , Br^-

3.      K⁺, O^2-

4.      Na⁺, Cl^-

5.      Ca²⁺, S^2-

3.   1.0 mol PbBr₂ Kw;whfj; jhf;fk; Guptjw;Fj; Njitg;gLk; mkpy K₂Cr₂O₇ ,d; %y; vz;zpf;if ahJ?

1.      1/3

2.      2/3

3.      4/3

4.      3/4

5.      3/2

4.   fPNo jug;gl;Ls;s %yf;$Wfs; / mad;fspy; Kf;Nfhzf; $k;gfk;, T tbtk; vd;gtw;iw vLf;ff; $bait KiwNa,

1.      NCl₃, PCl₃

2.      NCl₃, H₃O⁺

3.      NH₃, PCl₃

4.      NCl₃, ICl₃

_5.        NH₄⁺, ICl₃

5.   gpd;tUtd tw;Ws; vJ NaOH cld; jhf;fKwhJ

1.      P₄

2.      SnCl₂

3.      F₂

4.      ituk;

_5.        P₄O₁₀

6.   KI,KBr,KCl vd;gtw;iwf; nfhz;l fyitf;F nrwp H₂SO₄ Nru;g;gpd; ngwg;gl KbahjJ?

1.      HCl

2.      SO₂

3.      Br₂

4.      Cl₂

_5.        I₂

7.   ntz;zpw jpz;k mNrjdr; Nru;it x ePupy; fiuaf;$baJ. KOH fiurYld; x I ntg;gNkw;Wk; NghJ thA xd;W ntsptplg;gLk;. x d; ePu;f;fiurYf;F dil HNO₃ Nru;f;Fk; NghJ epwkw;w thA ntspNaWtJld; epwkw;w fiurYk; ngwg;gLk;. x Mf mika rhj;jpakhd Nru;it ahJ?

1.      Na₂S₂O₃

2.      (NH₄)₂SO₃

3.      Na₂S

4.      (NH₄)₂S₂O₃

5.      KNO₂

8.   xNu ntg;gepiyapy; ,uz;L Fkpo;fs; ,yl;rpa thAf;fs; x Ak; y Ak; jdpj;jdpNa nfhz;Ls;sd. x apd; mlu;j;jp y apdlu;j;jpapYk; ,Uklq;fhFk;. x apdJ Ntf tu;f;fapil y apdjpd; miuthrpahFk;. thAf;fs; x, y d; mKf;fq;fspw;fpilapyhf tpfpjk;

1.      2:1

2.      4:1

3.      1:4

4.      1:3

5.      5:1

9.   jug;gl;l nrwpe;j HCl fiury; jpzpTg; gb 38% HCl If; nfhz;Ls;sJ ,f;fiurypd; mlu;j;jp 1.2gcm^-3 MFk;. 0.1M HCl ,d; 250 ml Ij; jahupg;gjw;F NkNy Fwpg;gpl;l HCl fiurypd; vd;d fdtsT vLj;J Ijhf;fg;gl Ntz;Lk;?

1.      2.0 ml

2.      2.5 ml

3.      3.0 ml

4.      4.0 ml

5.      4.5 ml

10.  Na⁺,K⁺, Ca²⁺, F^- Mfpatw;wpd; Miu FiwtilAk; tupir

1.      Na⁺ > K⁺ > Ca²⁺ > F^-

2.      Na⁺ > Ca²⁺ > K⁺ > F^-

3.      K⁺ > Na⁺ > Ca²⁺ > F^-

4.      K⁺ > Ca²⁺ > Na⁺ > F^-

5.      Ca²⁺ > F^-  > Na⁺ > K⁺  

11.  27^oC y; Flitnahd;wpy; He, N₂ Mfpa thAf;fs; milf;fg;gl;Ls;sd. ,f;fyitapYs;s He ,d; %y;g;gpd;dk; 0.2 MFk;. ntg;gepiykhwhjpUf;f njhFjpapd; mKf;fk; ,Uklq;fhf;fg;gLkhapd; gpd;tUtdtw;wpy; vJ epfoyhk;?

1.      He ,d; %y;g;gpd;dk; 0.4 Mf mjpfupf;Fk;

2.      He ,d; gFjpaKf;fk; khw;wkilahJ.

3.      thAf;fyitapd; ruhrup %yu;j;jpzpT khw;wkilAk;

4.      thAf;fyitapd; mlu;j;jp khw;wkilahJ.

5.      He ,d; %y;g;gpd;dk; khwhjpUf;f mjd; gFjpaKf;fk; ,U klq;fhFk;.

12.  ,yl;rpa thAf;fspd; mKf;fg;gLjd;ikf; Fzfk; njhlu;ghd gpd;tUk; $w;Wf;fspy; cz;ikahdJ,

1.      ntg;gepiy mjpfupf;Fk; NghJ mjpfupf;Fk;

2.      khwh ntg;gepiyapy; mKf;fk; mjpfupf;Fk; NghJ mjpfupf;Fk;

3.      ntg;gepiy khWk; NghJ khwhJ fhzg;gLk;

4.      jho; ntg;gepiy khw;wj;jpw;F mjpfsT khwiyf; fhz;gpf;Fk;

5.      cau; ntg;gepiy khw;wj;jpw;F Fiwe;jsT khwiyf; fhz;gpf;Fk;.

13.  xU cNyhfk; M MdJ mjDila ry;Ngw;W M₂(SO₄)₃ Mf khw;wg;gl;lJ. ,r; ry;Ngw;wpd; fiurnyhd;W Pb(NO₃)₂ cld; njhopw;gl tplg;gl;L PbSO₄ ngwg;gl;lJ. M d; 1.12g MdJ PbSO₄ d; 9.09g jpzpitf; nfhLj;jpUg;gpd; cNyhfk; M d; rhuZj; jpzpthdJ,

1.      52

2.      27

3.      64

4.      70

5.      56

14.  jug;gl;l xU gjhu;j;jk; A MdJ NaOH cld; ntg;gNkw;wpa NghJ Conc.HCl %bAld; ntz;J}kj;ij cz;lhf;Fk; thA Njhd;wpaJ. ,t;thW ePz;l Neuk; ntg;gNkw;wpaNghJ mNj gjhu;j;jj;Jld; Al J}s; rpwpjsT NaOH cld; Nru;e;J ntg;gNkw;wpaNghJ kPz;Lk; Kd;ida mtjhdk; ngwg;gl;lJ.vdpd; A ngUk;ghYk; vJ?

1.      KNO₃

2.      Mg(NO₃)₂

3.      NH₄Cl

4.      Al(NO₃)₃

_5.        NH₄NO₃

15.  CH₄ tpy; C-H d; ruhrup gpizg;Gr; rf;jp a KJmol^-1 ck; C₂H₄ tpy; nkhj;j gpizg;Gr; rf;jp b KJmol^-1 ck; C₂H₂ tpy; nkhj;j gpizg;Gr; rf;jp c KJmol^-1 ck; Mapd;, C-C apd; gpizg;Gr; rf;jp KJmol^-1 apy; ahJ?

1.      c-2a

2.      c-b+2a

3.      b-4a

4.      2b-(6a+c)

5.      ahTk; gpioahdit

16.  (NH₄)₂CrO₄ d; fiurnyhd;wpy; CrO₄^2-  madpd; nrwpT 58 x 10² ppm MFk;. vdpd; ,f;fiurypy; NH₄⁺ d; nrwpT moldm^-3 Yk; ppm Yk; KiwNa (Cr = 52)

1.      0.05, 1.8 x 10³

2.      0.1, 1.8 x10³

3.      0.001, 1.8 x 10³

4.      1.8 x10³, 0.2

^5.        0.02, 5.8 x10²

6.      gpd;tUtdtw;Ws; vJ/ vit ,Utoptpfhuj; jhf;fj;jpw;F cl;gLk; / cl;gLgit

a)      NO₂

b)      Cl₂

c)      CH₄

d)      NO

17.  Mtu;j;jd ml;ltiz gw;wpg; gpd;tUk; $w;Wf;fspy; vJ/ vit cz;ikahdJ / cz;ikahdit

a)      $l;lk; 4 y; rpy %yfq;fs; ,U tYtsTr; Nru;itfis cUthf;Ffpd;wd

b)      $l;lk; 4 y; rpy jhz;lypy;yh %yfq;fs; +4 xl;rpNaw;w epiyiaf; fhl;Lfpd;wd.

c)      $l;lk; 4 y; rpy %yfq;fs; +7 xl;rpNaw;w epiyiaf; fhl;Lfpd;wd

d)      $l;lk; 4 y; rpy jhz;lypy;yh %yfq;fs; +1xl;rpNaw;w epiyiaf; fhl;Lfpd;wd.

18.  gpd;tUtdtw;wpy; vJ / vit ntg;gkhf;fypd; NghJ NO₂ I jUk;,

a)      CsNO₃

b)      Ba(NO₃)₂

c)      Ni(NO₃)₂

d)      NH₄NO₃

19.  gpd;tUtdtw;wpy; vr;nraw;ghL (fs;) ve;jpNuhg;gp khw;wj;ij mjpfupf;fr; nra;Ak;?

a)      C_(graphite)                                C_(diamond)

b)      H₂O_(g)                           H₂O_(l)

c)      Fwpj;j ntg;gepiyapy; thAnthd;wpd; mKf;fkhdJ mNj ntg;gepiyapy; miuthrpahf;fg;gly;

d)      ½ Br_{2 (l)}                                    Br_(g)

20.  ,yl;rpa thAf;fs; gw;wpa gpd;tUk; $w;Wf;fspy; vJ/vit rupahdJ/rupahdit

a)      thA %yf;$Wfs; Gs;spj;jpzpT elj;ijAilajhy; xU %yf;$wpd; jpzpthdJ Gwf;fzpf;ff;$baJ

b)      xNu ntg;g mKf;fj;jpy; rk fztsTs;s ntt;NtW ,yl;rpa thAf;fs; rk vz;zpf;ifahd %yf;$Wfisf; nfhz;bUf;Fk;

c)      ,U NtWgl;l fdtstpYs;s thAj; njhFjpfs; Muk;g Kjy; ,Wjp tiu ntt;NtW ntg;gepiyapy; Ngzg;gl;lJ. ,it Fohnahd;wpd; %yk; ,izf;fg;gbd; ,U njhFjpfspd; mKf;fq;fSk; vr;re;ju;g;gj;jpYk; rkdhFk;

d)      thA %yf;$Wfs; xd;Wlndhd;W jkf;Fs; Nkhjpf;nfhs;tjhy; mtw;wpd; fjp khwhJ.

21.  ,uz;L ,yl;rpa %yf;$Wfspd; NtfkhdJ mtw;wpilNaahd NkhJifapd; gpd;Gk; khwhJ	,yl;rpa epge;jidfspd; NghJ rf;jpahdJ ghJfhf;fg;gLk;
22.  Al JfSk; NaOH(aq) ck; NO3-(aq), NO2-(aq) vd;gtw;iw NtW gpupj;jwpag; gad;gLk;	fhu Clfj;jpy; NO3- MdJ Al ,dhy; NH3 Mfj; jho;j;jg;gLk;
23.  Al3+,Cu2+ ,t;tpuz;ilAk; NtW gpupj;jwptjw;F NH4OH Ig; gad;gLj;jyhk;	d njhFg;G %yfq;fs; kl;LNk rpf;fyad;fisj; Njhw;Wtpf;Fk;.
24.  Cu fk;gp NaCl fiury; vd;gd kpd;idf; flj;jf; $bad	Cu fk;gpapy; Cu mZf;fSk; NaCl(aq) y; Na+(aq) Cl-(aq) k; kpd; flj;jypy; gq;F tfpf;fpd;wd.