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•Re imvqb  Final Revision Batch 3 11. wb‡Pi †KvbwU wK‡Uv-Bbj U‡UvgvwiZv cÖ`k©b K‡i? [h. †ev. 22] †cÖvcvbj-2 †cÖvcv‡bvb †cÖvcvbj †cÖvcvbwqK GwmW DËi: †cÖvcv‡bvb e ̈vL ̈v: GKB AvYweK ms‡KZ wewkó `ywU wfbœ Kvh©Kix g~jK wewkó †hЇMi g‡a ̈ MwZkxj mvg ̈ve ̄’vi m„wó nq, ZLb Zv‡`i‡K ci ̄ú‡ii U‡Uvgvi e‡j| C3H6O Gi `ywU U‡Uvgvi n‡jv- CH3 – O || C – H | CH2 CH3 – OH | C = CH2 †cÖvwcb-2-Aj (Bbj mgvYy) †cÖvcv‡bvb (wK‡UvmgvYy) GLv‡b, ÔwK‡Uv-BbjÕ U‡Uvgvi MwVZ nq| 12. C4H10O w`‡q MwVZ mKj mgvYyi g‡a ̈ †KvbwU Av‡jvK mgvYyZv cÖ`k©b Ki‡e? [P. †ev. 22] cÖvBgvix weDUvbj †m‡KÛvix weDUvbj Uviwkqvix weDUvbj weDUvb ̈vj DËi: †m‡KÛvix weDUvbj e ̈vL ̈v: C4H10O Gi MVb CxH2x + 2O Gi mv‡_ mv`„k ̈c~Y© nIqvq Gi mgvYy ̧‡jv mvaviYZ A ̈vj‡Kvnj I B_vi n‡q _v‡K| m¤¢ve ̈ mgvYy mg~n: CH3 – CH3 | C – | CH3 OH Uviwkqvix weDUvbj CH3 – CH2 – CH3 | C * – | OH H CH3 – CH2 – CH2 – CH2 – OH †m‡KÛvix weDUvbj cÖvBgvix weDUvbj G‡`i g‡a ̈ †m‡KÛvix weDUvbj G GKwU KvBivj Kve©b _vKvq GwU Av‡jvK mgvYyZv cÖ`k©b Ki‡e| 13. CH3 – CH3 | CH – CH = CH – CH3 Gi IUPAC bvgKiY wb‡Pi †KvbwU? [P. †ev. 22] 4-wg_vBj †c›U-2-Bb 2-wg_vBj †c›U-3-Bb 2-wg_vBj †cw›Ub 4-wg_vBj †cw›Ub DËi: 4-wg_vBj †c›U-2-Bb e ̈vL ̈v: 5 CH3 – CH3 4| CH – 3 CH = 2 CH – 1 CH3 4-wg_vBj †c›U-2- Bb 14. wb‡Pi †KvbwU †g‡mv †hŠM? [e. †ev. 22] CH3(CH)OHCH(OH)COOH CH3CH(OH)CH(Cl)CH3 CH3CH(OH)CH(OH)CH3 CH3 – CH2CH(OH)CH3 DËi: CH3(CH)OHCH(OH)COOH e ̈vL ̈v: †g‡mv †hŠM: †Kvb c`v‡_©i AYyi `y-As‡ki MV‡bi AbyiƒcZvi Kvi‡Y GKvsk Acivs‡ki ADcwi ̄’vbxq cÖwZwe‡¤^i gZ AvPiY Ki‡j GKvsk KZ...©K Zj mgvewZ©Z Av‡jvi Z‡ji AveZ©b gvÎv Aci As‡ki AveZ©b gvÎv‡K cÖkwgZ K‡i †`q| d‡j G ai‡bi AYy Av‡jvK wbw ̄Œq nq| G‡K †g‡mv †hŠM ejv nq| †g‡mv †hЇMi AYy ̄’ AskØq‡K ci ̄úi †_‡K c„_K Kiv hvq bv| UviUvwiK GwmW GKwU †g‡mv †hŠM| OH – COOH | C – H | (UviUvwiK GwmW) OH – C – H | COOH 15. wb‡Pi †Kvb †hŠMwU Optical Isomerism †`Lvq? [e. †ev. 22; Xv. †ev. 21] CH2(NH2)COOH CH3CH(NH2)COOH (CH3)2C = CHCl CH3CH2COOH DËi: CH3CH(NH2)COOH e ̈vL ̈v: H2N – CH(CH3) – COOH-Gi AvYweK ms‡KZ: H2N – CH3 | C * – H | COOH KvBivj Kve©b we` ̈gvb| ZvB GB †hŠMwU Optical Isomerism †`Lvq| 16. †Kvb mgvYyZv Avcbv Avcwb NU‡Z cv‡i? [Kz. †ev. 22; g. †ev. 22] Ae ̄’vb mgvYyZv MvVwbK mgvYyZv †gUvgvwiRg U‡UvgvwiRg DËi: U‡UvgvwiRg e ̈vL ̈v: GK we‡kl ai‡bi MwZkxj Kvh©Kixg~jK mgvYyZvi bvg U‡UvgvwiRg| hw` GKwU Kvh©Kix g~jK msewjZ KvVv‡gv †_‡K ̄^Ztù~Z©fv‡e wfbœ Kvh©Kix g~jK hy3 KvVv‡gvi †hЇM iƒcvšÍi N‡U Ges Dfq KvVv‡gvi g‡a ̈ GKwU MwZkxj mvg ̈ve ̄’vi m„wó nq Z‡e G ai‡bi mgvYyZv‡K U‡UvgvwiRg e‡j| U‡UvgvwiRg MwZkxj Kvh©Kix g~jK mgvYy nIqvq GwU Avcbv Avcwb N‡U _v‡K| 17. wb‡Pi †Kvb †hЇM ÔbvBUavBjÕ Kvh©Kix g~jKwU we` ̈gvb? [mw¤§wjZ †evW©-18] CH3NH2 CCl3NO2 CH3CN NH4CNO DËi: CH3CN e ̈vL ̈v: CH3CN †hЇM ÔbvBUavBjÕ Kvh©Kix g~jKwU we` ̈gvb| bvBUavBj Kvh©Kix g~j‡Ki ms‡KZ n‡jv- – CN| 18. A ̈vgvB‡Wi Kvh©Kix g~jK n‡jv- [wm. †ev. 22] – CONH2 – COX – CHO – NH2 DËi: – CONH2
4  Chemistry 2 nd Paper Chapter-2 19. weDU-2-Bb cÖ`k©b K‡i †KvbwU? [w`. †ev. 22] U‡UvgvwiRg Kvh©Kixg~jK mgvYyZv Av‡jvK mgvYyZv R ̈vwgwZK mgvYyZv DËi: R ̈vwgwZK mgvYyZv e ̈vL ̈v: R ̈vwgwZK mgvYyZvi kZ©: (i) Kve©b-Kve©b e܇bi gy3 N~Y©b iwnZ n‡Z n‡e| (ii) wØ-eÜb hy3 A_ev PvwμK †hŠM n‡Z n‡e| (iii) a C = C a b b AYy‡Z a  b n‡Z n‡e| CH3CH = CHCH3 Gi MvVwbK ms‡KZ: H C = C CH3 H CH3 †hLv‡b, Kve©b-Kve©b wØeÜb we` ̈gvb Ges (a  b) A_©vr, CH3CH = CHCH3 †hŠMwU R ̈vwgwZK mgvYyZv cÖ`k©b Ki‡e| 20. CH3 – CH = C(CH3) – CH2OH †hŠMwUi IUPAC bvg Kx? [w`. †ev. 22] 2-wg_vBj weDU-2-Bb-1-Aj 2-wg_vBj-2-weDwUbj A ̈vjvBj A ̈vj‡Kvnj wg_vBj-2-weDwUb-1-Aj DËi: 2-wg_vBj weDU-2-Bb-1-Aj e ̈vL ̈v: 4 CH3 – 3 CH = CH3 |2 C– 1 CH2OH 2-wg_vBj weDU-2-Bb-1-Aj 21. – CN g~j‡Ki bvg- [iv. †ev. 22] (i) mvqvbvBW g~jK (ii) bvBUavBj g~jK (iii) bvB‡Uav g~jK wb‡Pi †KvbwU mwVK? i I ii i I iii ii I iii i, ii I iii DËi: i I ii e ̈vL ̈v: – CN n‡jv mvqvbvBW Ges bvBUavBj g~j‡Ki ms‡KZ| 22. C4H10O ms‡KZ wewkó †hЇMi †ÿ‡Î- [wm. †ev. 22] (i) mgvYyi msL ̈v 5 (ii) GKwU mgvYy Av‡jvK mwμq (iii) GKwU mgvYy 3 A ̈vj‡Kvnj wb‡Pi †KvbwU mwVK? i I ii i I iii ii I iii i, ii I iii DËi: ii I iii e ̈vL ̈v: C4H10O –Gi m¤¢ve ̈ mgvYymg~n (i) CH3 – CH2 – CH2 – CH2 – OH n weDUvbj (ii) CH3 – *CH | OH – CH2 – CH3 weDU-2-Aj [Av‡jvK mgvYyZv cÖ`k©b Ki‡e] (iii) CH3 – CH | CH3 – CH2 | OH 2-wg_vBj †cÖvcvbj (iv) CH3 – OH | CH | CH3 – CH3 2-wg_vBj †cÖvcvb-2-Aj [3 A ̈vj‡Kvnj] (v) CH3 – CH2 – O – CH2 – CH3 WvB B_vBj B_vi (vi) CH3 – O – CH2 – CH2 – CH3 1- wg‡_vw· †cÖv‡cb (vii) CH3 – O – CH CH3 CH3 2-wg‡_vw· †cÖv‡cb myZivs, †gvU mgvYy 7wU 23. CH3 – CH(OH) – CH2 – CH2 – COOH †hЇMi IUPAC wbq‡g bvgKiY †KvbwU mwVK? [iv. †ev. 21] 2-nvB‡Wavw· †c›UvbwqK GwmW 4-nvB‡Wavw· †c›UvbwqK GwmW 5- Kve©w·j †c›Uvbj-2 1-Kve©w·j †c›Uvbj-4 DËi: 4-nvB‡Wvw· †c›UvbwqK GwmW e ̈vL ̈v: 5 CH3 – OH |4 CH – 3 CH2 – 2 CH2 – 1 COOH IUPAC-bvg: 4- nvB‡Wavw· †c›UvbwqK GwmW 24. n-†c‡›U‡bi mgvYy msL ̈v KZwU? [iv. †ev. 21] 3 4 5 6 DËi: 3 e ̈vL ̈v: n-†c‡›Ub Gi mgvYy 3wU| 1. CH3 – CH2 – CH2 – CH2 – CH3 n- †c‡›Ub 2. 1 CH3 – CH3 | CH 2 – – 3 CH2 – 4 CH3 2-wg_vBj weD‡Ub 3. H3C – CH3 | C – | CH3 CH3 neo- †c‡›Ub ev, 2, 2 WvBwg_vBj †c‡›Ub

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