Multiple choice question

Multiple choice question Multiple choice question

01.12.2012 Views

17 3Fe + 4H 2 O Fe 3 O 4 + 4H 2 vfHkfØ;k ds fy;s& Kc = ............. gksxk rFkk Kp = ............... gksxk For the reaction 3Fe + 4H 2 O Fe 3 O 4 + 4H 2 the value of Kc = ............. and for Kp = ............... 18 ,d Å"ek'kks"kh izØe PCl 5 PCl 3 + Cl 2 ds fy;s �H = +Qcal gS rc bl vfHkfØ;k esa rki --------------- j[kuk gksxk rFkk nkc ---------------- j[kuk gksxk ¼;fn vfHkfØ;k vxz fn'k esa laiUu djkuh gS½ PCl 5 PCl 3 + Cl 2 ; �H = +Qcal, for this reaction to carry it in forward direction. We have to keep temp ........... and pressure ............. 19 cQZ ty – Qcal bl vfHkfØ;k esa mPp rki vfHkfØ;k dks ------------ fn'kk esa rFkk nkc o`f) fØ;k dks ----------------- fn'kk esa izsfjr djsxhA Ice Water – Qcal For this reaction temperature rise will induce the reaction in ........... direction and increased pressure will favour the reaction in a ............ direction. + 20 H + H O H 21 --------- gSA : [H : O H] # H vfHkfØ;k esa yqbl vEy ------------- rFkk yqbl {kkj In the above reaction Lewis acid is .............. and Lewis base is ............... H� � H N� H � � � � � � � � f� � � + B f � � � � f � � � � � � � � � � � � � H� � HN� H � � � � � 46 f B f f esa yqbl vEy ---------- rFkk --------- � yqbl {kkj gS D;ksafd --------------- ,d bysDVªku ;qXe ns jgk gS rFkk -------------- ,d bysDVªku ;qXe izkIr dj jgk gSA In above reaction Lewis acid is ................. and Lewis base is ............... because ................... is providing loan pair of electron and ............ is receiving it.

22 mRØe.kh; jklk;fud vfHkfØ;kvksa esa Kα dks ------------ dgrs gSaA In the reversible chemical reactions Kα is called ................. 23 vksLVokYM ruqrk fu;e ds vuqlkj vk;uu dh ek= vkSj vk;uu fLFkjkad ds e/; lEcU/k ds xf.krh; :i dks ---------------- }kjk O;Dr fd;k tk ldrk gS] nqcZy fo|qr vi?kV; ds fo;kstu dh ek=k mldh ------------------------- ds O;qRØekuqikrh gksrh gSA According to Ostwald’s dilution law the mathematical form and relationship between degree of ionization and ionization constant can be expressed as ............ and degree of ionization of a weak electrolyte is .......... proportional to its .............. 24 vfHkfØ;k AB A + + B – ds fy;s foys;rk rFkk foys;rk xq.kuQy esa lEcU/k dks -------------- }kjk n'kkZ;k tk ldrk gSA The relationship between solubility and solubility product for the reaction AB A + + B – can be represented by ................ 25 2SO + O 2 2 2SO + Qcal bl fØ;k esa SO ds vf/kdre fuekZ.k gsrq rki 3 3 ,oa nkc dh 'krZ gksxh --------------- In the above reaction for getting maximum SO 3 production the condition of temperature and pressure will be ............ 4 4 ,oa ,oa 5 5 vad vad okys okys iz'u iz'u iz'u&26 lkE; voLFkk fdls dgrs gSa\ bldh dksbZ 4 fo'ks"krk,sa fy[kks\ What is chemical equilibrium? Give its any four characteristics? iz'u&27 lkE; dh xfrdh; iz—fr dks tkuus ds fy;s iz;ksx vk/kkfjr mnkgj.k nhft;s\ ,sls dkSu ls dkjd gSa tks lkE; voLFkk izHkkfor dj mldh fn'k cny ldrs gSaA 47

17 3Fe + 4H 2 O Fe 3 O 4 + 4H 2 vfHkfØ;k ds fy;s&<br />

Kc = ............. gksxk rFkk Kp = ............... gksxk<br />

For the reaction 3Fe + 4H 2 O Fe 3 O 4 + 4H 2<br />

the value of Kc = ............. and for Kp = ...............<br />

18 ,d Å"ek'kks"kh izØe PCl 5 PCl 3 + Cl 2 ds fy;s �H = +Qcal gS rc bl<br />

vfHkfØ;k esa rki --------------- j[kuk gksxk rFkk nkc ---------------- j[kuk gksxk ¼;fn<br />

vfHkfØ;k vxz fn'k esa laiUu djkuh gS½<br />

PCl 5 PCl 3 + Cl 2 ; �H = +Qcal, for this reaction to carry it in forward<br />

direction. We have to keep temp ........... and pressure .............<br />

19 cQZ ty – Qcal<br />

bl vfHkfØ;k esa mPp rki vfHkfØ;k dks ------------ fn'kk esa rFkk nkc o`f) fØ;k<br />

dks ----------------- fn'kk esa izsfjr djsxhA<br />

Ice Water – Qcal<br />

For this reaction temperature rise will induce the reaction in ........... direction<br />

and increased pressure will favour the reaction in a ............ direction.<br />

+ 20 H + H O H<br />

21<br />

--------- gSA<br />

:<br />

[H : O H] #<br />

H<br />

vfHkfØ;k esa yqbl vEy ------------- rFkk yqbl {kkj<br />

In the above reaction Lewis acid is .............. and Lewis base is ...............<br />

H�<br />

� H N�<br />

H<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

� � f�<br />

�<br />

� + B f<br />

�<br />

�<br />

� � f<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

H�<br />

� HN�<br />

H<br />

�<br />

�<br />

�<br />

�<br />

�<br />

46<br />

f<br />

B f<br />

f<br />

esa yqbl vEy ---------- rFkk ---------<br />

�<br />

yqbl {kkj gS D;ksafd --------------- ,d bysDVªku ;qXe ns jgk gS rFkk -------------- ,d<br />

bysDVªku ;qXe izkIr dj jgk gSA<br />

In above reaction Lewis acid is ................. and Lewis base is ............... because<br />

................... is providing loan pair of electron and ............ is receiving it.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!