Title 2. Che. Engg. Practice Sheet-(2nd Paper) With Solve.pdf ✅

•Re imvqb  Chemistry Cycle Engineering Practice Sheet ............................................................................................. 1 •Re imvqb Organic Chemistry WRITTEN weMZ mv‡j BUET-G Avmv cÖkœvejx 1. IUPAC c×wZ e ̈envi K‡i wb‡¤œv3 †h.‡Mi MvVwbK ms‡KZ wjL| (i) Trans but-2-ene (ii) Cis butene-dioic acid [BUET 20-21] mgvavb: C C H H3C H CH3 C C H HOOC COOH H Trans but-2-ene Cis butene-dioic acid 2. bvB‡UavwMømvwib I wUGbwU Gi we‡ùviY c×wZi g‡a ̈ cv_©K ̈ Kx? wUGbwUi we‡ùviY wewμqvwU wjL| [BUET 20-21] mgvavb: bvB‡UavwMømvwib I TNT Gi we‡ùviY c×wZi g‡a ̈ cv_©K ̈ n‡jv bvB‡UavwMømvwib Gi g‡Zv TNT AvNvZ ev K¤úb Øviv we‡ùvwiZ nq bv| Detonator mn‡hv‡M ùzwj1⁄2 NUv‡j TNT we‡ùvwiZ nq| Aciw`‡K bvB‡UavwMømvwi‡b evwn ̈K Pvc I AwaK ZvcgvÎvq Af ̈šÍixY `nbRwbZ AwaK evZvm m„wói d‡j we‡ùviY N‡U _v‡K| A_P TNT Gi we‡ùvi‡Y bvB‡UavwMømvwi‡bi †P‡q Kg Pvc I Zvc m„wó nq| TNT Gi we‡ùviY wewμqv: Detonation NO2 CH3 + 2 [O] 14CO(g) + 3N2(g) + 5H2(g) O2N NO2 2 3. wb‡Pi wewμqv ̧‡jv m¤ú~Y© KiÑ [BUET 20-21]  Dry ether Cl + 2Na + CH3Cl CH3C  CH + Br2 CCl4 Br2 (ii) (i) + mgvavb:  Dry ether Cl + 2Na + CH3Cl CH3 (i) + 2NaCl CH3 – C  CH + Br2 CCl4 CH3 – C = CH Br Br Br2 CH3 – C – C – H Br Br Br Br (ii) 4. bvBjb-6,6 •Zwii Rb ̈ `ywU g‡bvgv‡ii bvg I MvVwbK ms‡KZ wjL| [BUET 19-20] mgvavb: A ̈vwWwcK GwmW: HOOC – (CH2)4 – COOH †n·vwgw_wjb WvBA ̈vwgb: H2N – (CH2)6 – NH2 5. Møy‡KvR AYy‡Z KqwU KvBivj Kve©b Av‡Q? [BUET 19-20] mgvavb: 4wU 6. wb‡Pi †h.‡Mi GbvbwmIgvi wjL| [BUET 19-20] CHO HO H CH2OH mgvavb: CHO H OH CH2OH 7. wb‡Pi †h.Mmg~‡ni MvVwbK ms‡KZ wjL Ges Av‡jvK mgvYy †h.M/ †h.Mmg~n kbv3 Ki| UviUvwiK GwmW, j ̈vKwUK GwmW| [BUET 19-20] mgvavb: UviUvwiK GwmW: HO – *CH – COOH | HO – *CH – COOH j ̈vKwUK GwmW: H3C – * H | C | O – H COOH; Df‡qB Av‡jvK mwμq| 8. wb‡Pi †h.M/Avqb ̧‡jv †_‡K B‡jK‡UavdvBj I wbDwK¬IdvBj kbv3 KiÑ [BUET 19-20] AlCl3, H2O, CH2 = CH2, + NO2, HCHO mgvavb: B‡jK‡UavdvBj: AlCl3, + NO2, HCHO wbDwK¬IdvBj: H2O, H2C = CH2 9. k~b ̈ ̄’vb c~iY Ki: [BUET 19-20] + O2  KMnO 4 KOH COOH | COOH mgvavb: HC  CH
2 ....................................................................................................................................  Chemistry 2nd Paper Chapter-2 10. weDUvbj-2 Gi `ywU wewμqv wb¤œiƒc: X Oxidizing agent  acid CH3CH2CH(OH)CH3  Conc.H 3PO4 Y (a) X †h.M •Zwii mwVK RviK I Gwm‡Wi bvg wjL| (b) Y `ywU AvB‡mvgv‡ii wgkÖY| G‡`i MvVwbK ms‡KZ wjL| [BUET 19-20] mgvavb: (a) RviK: K2Cr2O7, GwmW: H2SO4 (b) CH3 – CH = CH – CH3 I CH3 – CH2 – CH = CH2 11. k~b ̈ ̄’vb c~iY Ki: [BUET 19-20] CH3 – O || C– H | N – CH3 + H2O H +  + mgvavb: CH3COOH, CH3NH2 12. †Uwiwjb GKwU cwjgvi hv B‡_b-1, 2-WvBAj I †ebwRb-1, 4-WvBKv‡e©v·vBwjK GwmW Øviv •Zwi nq| wewμqvwU wjL| [BUET 19-20] mgvavb: nHO – O || C O || C– OH + nHO – CH2 – CH2 – OH B‡_b-1,2-WvBAj H 200C + O || C O || C– OCH2 – CH2 + (2n – 1)H2O n 13. wb‡¤œ wKQz ivmvqwbK †h.M †`Iqv nj| †Kvb †h.MwU wb¤œwjwLZ wewμqvi R‡b ̈ AwaKZi ms‡e`bkxj evQvB Ki| CH3 CHO COCl CH = CH2 (i) wbDwK¬IwdwjK cÖwZ ̄’vcb (ii) B‡jK‡UavwdwjK cÖwZ ̄’vcb (iii) wbDwK¬IwdwjK ms‡hvRb (iv) B‡jK‡UavwdwjK ms‡hvRb (v) d‡Uv‡KwgK ̈vj cÖwZ ̄’vcb [BUET 18-19] mgvavb: COCl (i) CH3 (ii) CHO (iii) CH = CH2 (iv) CH3 (v) 14. †Zvgvi Kv‡Q kbv3Kvix wPý Qvov wfbœ wfbœ weKviK †evZ‡j wZbwU •Re †h.M i‡q‡Q| †h.M ̧‡jv nj CH3CH2OH, HCHO I CH3COCH3 ïaygvÎ `ywU wfbœ ivmvqwbK cixÿv Øviv Kxfv‡e †h.M wZbwU kbv3 Ki‡e? wewμqv ̧‡jv †`LvI| [BUET 18-19] mgvavb: (i) DNPH cixÿv: CH3CH2OH  †Kv‡bv wewμqv n‡e bv| myZivs A ̈vj‡Kvnj| HCHO + H2N – NH NO2 NO2  C = N – NH H H NO2 NO2 + H2O CH3COCH3 + H2N – NH NO2 NO2  C = N – NH H3C H3C NO2 NO2 + H2O (ii) U‡jb weKviK cixÿv: HCHO + 2[Ag(NH3)2] + + 3H2O  2Ag + HCOOH + 4NH3 + 2H2O myZivs A ̈vjwWnvBW| CH3COCH3  †Kv‡bv wewμqv n‡e bv| myZivs wK‡Uvb| 15. wb‡¤œi wewμqv ̧‡jvi g~j Drcv`mg~n wjL| H OH N + (CH3CO)2O H H2O, 25C [BUET 18-19] mgvavb: H OH N + (CH3CO)2O H H2O,25C OH NH – CO – CH3 + CH3COOH 16. Møy‡KvR Ges d«z‡±vR Rjxq `ae‡Y wb¤œiƒ‡c mvg ̈ve ̄’vq _v‡K| d«z‡±vR ⇌ Møy‡KvR wewμqK I Drcv‡`i MVb †`LvI| [BUET 18-19] mgvavb: d«z‡±vR Gi MVb Møy‡KvR Gi MVb CH2OH C = O (CHOH)3 CH2OH CHO (CHOH)4 CH2OH
•Re imvqb  Chemistry Cycle Engineering Practice Sheet ............................................................................................ 3 17. wb‡¤œi wewμqv ̧‡jvi g~j Drcv`mg~n wjL| [BUET 18-19] (a) + CH3 – CH = CH2 250C,H3PO4 30 atm (b) + CH3Cl Anhydrous AlCl3 (c) OH + Br2(aq) 25C mgvavb: (a) H3C – CH – CH3 (b) CH3 (c) Br Br OH Br 18. wewμqvwU m¤ú~Y© Ki: [BUET 18-19] COOH OH + CH3OH conc.H2SO4 ? mgvavb: COOH OH + CH3OH conc.H2SO4 COOCH3 OH + H2O 19. (a) Write the structural formula of (MvVwbK ms‡KZ wjL|) 4, 4-dichlorodiphenyl 1, 1, 1-trichloroethane. (b) Write the structural formula of the functional groups (Kvh©Kix g~j‡Ki MvVwbK ms‡KZ wjL|) (i) Ester (G÷vi) (ii) Amide (A ̈vgvBW) (iii) Anhydride (A ̈vbnvBWavBW) [BUET 17-18] mgvavb: (a) Cl– C – C – H Cl Cl Cl Cl (b) (i) – C || O – O – R (ii) – C || O – N | H – H (iii) – C || O – O – C || O – 20. wZbwU †h.M E, F Ges G Gi AvYweK ms‡KZ C3H6O| E A ̈vj‡Kvnj, F wK‡Uvb Ges G A ̈vjwWnvBW| E, F Ges G †h.‡Mi m¤¢ve ̈ MvVwbK ms‡KZ wjL| [BUET 17-18] mgvavb: E Gi mgvYy: (i) H3C – OH | C = CH2 †cÖvc-1-Bb-2-Aj (ii) CH3 – CH = CH – OH †cÖvc-1-Bb-1-Aj (iii) CH2 = CH – CH2 – OH †cÖvc-2-Bb-1-Aj (iv) mvB‡K¬v‡cÖvcvbj H2C H2C CH – OH F wK‡Uvb: H3C – O || C – CH3 †cÖvcv‡bvb G A ̈vjwWnvBW: H – H | C | H – H | C | H – O || C – H †cÖvcvb ̈vj 21. wewμqvi mvnv‡h ̈ †`LvI wK N‡U hLbÑ (i) Kÿ ZvcgvÎvq Kcvi mvj‡dU `ae‡Y ax‡i ax‡i A ̈v‡gvwbqv `aeY †hvM Ki‡j| (ii) ZnCl2(aq) Ges CuCl2(aq) A¤øxq `ae‡Y nvB‡WavRb mvjdvBW M ̈vm Pvjbv Ki‡j| (iii) †jvwnZ Zß †jvnvi b‡ji ga ̈ w`‡q 400C ZvcgvÎvq DËß B_vBb M ̈vm Pvjbv Ki‡j| (iv) A¤øxq †dwiK mvj‡dU je‡Yi `ae‡Y AwZwi3 A ̈v‡gvwbqvg _v‡qvmvqvbvBW `aeY †hvM Ki‡j| [BUET 17-18] mgvavb: (i) CuSO4 + NH3  [Cu(NH3)4]SO4 (ii) ZnCl2 + CuCl2 + H2S  ZnS + CuS + HCl (iii) 3HC  CH 400C Fe (iv) Fe2(SO4)3 + 6NH4SCN  Fe[Fe(SCN)6] + 3(NH4)2SO4 22. wb‡¤œi wewμqv ̧‡jvi g~j Drcv`mg~n wjL: [BUET 17-18] (a) HCHO + 2HNO3  (b) CH3 Na + C2H5OH Liq.NH3 (c) + COCl2 AlCl3
4 ....................................................................................................................................  Chemistry 2nd Paper Chapter-2 (d) Cl + Cl3C-CHO H2SO4(conc.)  (e) mgvavb: (a) HCHO + 2HNO3  HCOOH + 2NO2 + H2O (b) CH3 Na + C2H5OH Liq.NH3 CH3 + C2H5OH (c) + COCl2 COCl AlCl3 + HCl (c) Cl + Cl3C-CHO H2SO4(conc.)  Cl3C – C – H + H2O Cl Cl 2 (e) OH COOH + (CH3CO)2O O OH C O CH3 + CH3 – COOH 90C 23. wKfv‡e wb‡¤œv3 †h.‡Mi cvi ̄úwiK iƒcvšÍi nq Zv mgxKiY wjL| (i) †ebwRb †_‡K UjyBb (ii) UjyBb †_‡K †ebwRb [BUET 17-18] mgvavb: (i) + CH3Cl Abv`a© AlCl3 + HCl CH3 (ii) CH3 + [O] K2Cr2O7 H2SO4 COOH NaOH COONa NaOH(CaO) + Na2CO3 COONa 24. UjyBb‡K wKfv‡e †ebwR‡b Ges †ebwRb‡K wKfv‡e UjyB‡b cwiYZ Kiv hvq? ivmvqwbK wewμqvi gva ̈‡g †`LvI| [BUET 17-18] mgvavb: UjyBb †_‡K †ebwRb: CH3 KMnO4/H2SO4 COOH NaOH COONa NaOH(CaO) + CH3 – Cl †ebwRb †_‡K UjyBb (wd«‡Wj-μvdU wewμqv): Abv`a© AlCl3 CH3 + HCl + Na2CO3 COONa  25. (a) Nb mvjwdDwiK Gwm‡Wi mv‡_ 2,3-WvBwg_vBjweDUvb-2-Aj wewμqv K‡i `ywU mgvYy †h.M Drcbœ K‡i| hvi AvYweK ms‡KZ C6H12| wewμqvwUi bvg wjL Ges wewμqvq Drcbœ ga ̈eZ©x Kv‡e©vwbqvg Avq‡bi MvVwbK ms‡KZ wjL| (b) Dc‡ii wewμqvq Drcbœ mgvYy `ywUi MvVwbK ms‡KZ wjL| [BUET 16-17] mgvavb: (a) ga ̈eZ©x Kv‡e©vwbqvg AvqbwU: CH3 – CH3 | C – | OH CH3 | C –  CH3 A_ev, C  H2 – CH3 | C – | OH CH3 | CH – CH3 wewμqvwU GKwU wbiæ`b wewμqv| (b) CH3 CH3  C = C  CH3 CH3 Ges CH3 CH2 = C  CH  CH3 CH3 26. wb‡Pi •Re †h.‡Mi ivmvqwbK bvg I ms‡KZ wjL| (i) gvm© M ̈vm (ii) DW A ̈vj‡Kvnj (iii) Gw›Uwd«R (iv) g_ejm& (v) wf‡bMv‡ii cÖavb Dcv`vb [BUET 16-17] mgvavb: (i) gvm© M ̈vm: wg‡_b ms‡KZ: CH4 (ii) DW A ̈vj‡Kvnj: wg_vbj ms‡KZ: CH3OH (iii) Gw›Uwd«R: Bw_wjb MøvBKj ms‡KZ: CH2 – OH | CH2 – OH (iv) g_ejm&: b ̈vc_vwjb ms‡KZ: (v) wf‡bMv‡ii cÖavb Dcv`vb: B_v‡bvwqK GwmW ms‡KZ: CH3COOH OH COOH + (CH3CO)2O 90C