Multiple choice question
Multiple choice question Multiple choice question
iz'u&19 ,Ydkbuksa ls cs;j vfHkdeZd ¼{kkjh; KMnO 4 ½ dh fØ;k dk lehdj.k nhft;s\ Give reactions of adding Bayer’s reagent (Alkaline KMnO 4 ) in Alkynes? iz'u&20 ,jhUl D;k gS\ csUthu dh lajpuk fdu vk/kkjksa ij pØh; lajpuk dk gksuk fu:fir dh xbZ\ dSdqys Qkewys ds i{k esa izek.k nsrs gq, pØh; lajpuk dks vuqukn ds vk/kkj ij le>kb;s\ What are arenes? Kekule on what grounds assigned a ring structure based on resonance, explain? Finally what structure was proposed? iz'u&21 dsalj dkjd rFkk fo"kkDrrk okys inkFkksZ ij laf{kIr uksV fy[kks\ What are carcinogenic and toxic substances? Write a brief description on it? iz'u&22 TEL dk iwjk uke ,oa blds egRo dks Li"V dhft;s\ Give full form of TEL and its important chracteristic? iz'u&23 LPG rFkk CNG dh foLr`r uke rFkk buds mi;ksx ls gksus okys ykHk fyf[k;s\ le; dh ekax bu nksuks ds fy;s D;ks c
(c) vkblksizhu ls ikWyhvkblksizhu (d) foukby DyksjkbM ls ikWyh foukby DyksjkbM (PVC) (e) LVkbjhu ls ikWyh LVkbjhu Give chemical equation for preperation of the following polymers showing conditions for them– (a) Polythylene from ethylene (b) Polypropylene from propylene (c) Polyisoprene from isoprene (d) Polyvinyl chloride from vinylchloride (e) Polystyrence from styrene iz'u&26 fuEu ds fuekZ.k gsrq vko';d 'krksZ lfgr jklk;fud lehdj.k nhft;s\ (a) VSVªk ¶yksjks,Fkhu ls ikWyh VSVªk ¶yksjks ,Fkhu (PTFE) ;k VS¶yku (b) ,flVyhu ls csUthu For manufacturing the following mention conditions and give chemical equations for– (a) Poly tetra fluoro ethene (PTFE) or teflon. (b) Benzene from ethyne or acetylene. iz'u&27 csUthu ds lYQksuhdj.k] ukbVªhdj.k rFkk gSykftuhdj.k dh fØ;k n'kkvksa ds lkFk lehdj.k lfgr n'kkZb;s\ Show necessary conditions for nitration, sulphonation and halogentation? iz'u&28 csUthu lkekU;r% izfrLFkkiu fØ;k,sa n'kkZrh gSa fdUrq fo'ks"k n'kkvksa esa ;ksx'khy fØ;k Hkh n'kkZrh gS H 2 rFkk Cl 2 ds lkFk ;ksx'khy fØ;k ftu n'kkvksa es lEiUu gksrh gS mu n'kkvksa dk mYys[k djrs gq, jklk;fud lehdj.k ,oa cuus okys inkFkZ dk jklk;fud uke fyf[k;s\ Benzene generally gives replacement reactions but in special circumstances it aslo give addition reactions. Give addition reactions and their conditions under they react with H 2 and Cl 2 , also give the chemical name of the products? 93
- Page 41 and 42: If �H f ° = 3400 cal/mol, then c
- Page 43 and 44: cgqfodYih; cgqfodYih; iz'uA iz'uA b
- Page 45 and 46: 12 Kc dh bdkbZ gS& (a) ¼eksy izfr
- Page 47 and 48: 22 mRØe.kh; jklk;fud vfHkfØ;kvksa
- Page 49 and 50: Differentiate among concept of acid
- Page 51 and 52: In oxidation state there is- (a) Ga
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- Page 55 and 56: iz'u&7 fo|qr jklk;fud lSy dk ukekaf
- Page 57 and 58: iz'u&19 xkayd fdl dgrs gS\ bldk pqu
- Page 59 and 60: 5 H 2 O, H 2 S, H 2 Se rFkk H 2 Te
- Page 61 and 62: Explain the structure of H 2 O 2 wi
- Page 63 and 64: (b) Na 2 SO 4 dh ty;kstu ÅtkZ tkyd
- Page 65 and 66: Give labelled diagram for soda amon
- Page 67 and 68: iz'u&31 f}rh; lewg ds rRoks dks {kk
- Page 69 and 70: fjDr fjDr LFkkuks LFkkuks dh dh iwf
- Page 71 and 72: In any group atomic mass increase g
- Page 73 and 74: Describe electrolytic method for ge
- Page 75 and 76: In elements of group-14, on coming
- Page 77 and 78: 4 4 4 ,oa ,oa ,oa 5 5 5 vad vad oky
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- Page 81 and 82: 8 isij ØksesVksxzkQh }kjk jaxks dk
- Page 83 and 84: 16 dsfj;l uyh esa CH 2 ClCOOH dks l
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- Page 87 and 88: iz'u&43 fuEu dks izsj.k izHkko ds v
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- Page 91: iz'u&14 esØksekWyhD;wy D;k gksrs g
- Page 95 and 96: Pollutants are said- (a) CO 2 , SO
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iz'u&19 ,Ydkbuksa ls cs;j vfHkdeZd ¼{kkjh; KMnO 4 ½ dh fØ;k dk lehdj.k nhft;s\<br />
Give reactions of adding Bayer’s reagent (Alkaline KMnO 4 ) in Alkynes?<br />
iz'u&20 ,jhUl D;k gS\ csUthu dh lajpuk fdu vk/kkjksa ij pØh; lajpuk dk gksuk<br />
fu:fir dh xbZ\ dSdqys Qkewys ds i{k esa izek.k nsrs gq, pØh; lajpuk dks<br />
vuqukn ds vk/kkj ij le>kb;s\<br />
What are arenes? Kekule on what grounds assigned a ring structure based on<br />
resonance, explain? Finally what structure was proposed?<br />
iz'u&21 dsalj dkjd rFkk fo"kkDrrk okys inkFkksZ ij laf{kIr uksV fy[kks\<br />
What are carcinogenic and toxic substances? Write a brief description on it?<br />
iz'u&22 TEL dk iwjk uke ,oa blds egRo dks Li"V dhft;s\<br />
Give full form of TEL and its important chracteristic?<br />
iz'u&23 LPG rFkk CNG dh foLr`r uke rFkk buds mi;ksx ls gksus okys ykHk<br />
fyf[k;s\ le; dh ekax bu nksuks ds fy;s D;ks c
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