Tiêu đề P2-C4-FRB-Practice-Sheet-Without-Solve.pdf ✅

Zwor imvqb  Final Revision Batch 1 Zwor imvqb Electro Chemistry PZz_© Aa ̈vq Topicwise Board Analysis eûwbe©vPwb cÖkœ UwcK 2017 2018 2019 2021 2022 2023 †gvU Zwor we‡kø‡l ̈i cwievwnZv 1 Ñ 1 3 6 3 14 Zwor we‡køl ̈ †Kvl, Zwor ivmvqwbK †Kvl 6 1 5 11 11 9 43 d ̈viv‡Wi m~Î 3 1 8 13 17 8 50 †Kvl wefe 3 Ñ 5 9 5 6 28 bvb©÷ mgxKiY Ñ Ñ 1 Ñ Ñ 1 2 m„Rbkxj cÖkœ UwcK 2017 2018 2019 2021 2022 2023 †gvU Zwor we‡kø‡l ̈i cwievwnZv Ñ Ñ Ñ Ñ Ñ Ñ Ñ Zwor we‡køl ̈ †Kvl, Zwor ivmvqwbK †Kvl 3 Ñ Ñ 3 Ñ Ñ 6 d ̈viv‡Wi m~Î 3 Ñ 3 7 4 10 27 †Kvl wefe 10 2 9 8 9 14 52 bvb©÷ mgxKiY 3 Ñ 2 6 6 6 23 *we.`a.: 2020 mv‡j GBPGmwm cixÿv AbywôZ nqwb| ACS Chemistry Department Gi g‡bvbxZ enywbev©Pwb cÖkœmg~n Zwor we‡kø‡l ̈i cwievwnZv 1. †KvbwUi Zwor cwievwnZv AwaK? [Xv. †ev. 23] Be Al Cu Sc 2. B‡jKUabxq Zwor cwievnx †KvbwU? [e. †ev. 23] CuSO4 `aeY FeSO4 `aeY Fe Fe2(SO4)3 `aeY 3. Av‡cwÿK cwievwnZvi GKK †KvbwU? [e. †ev. 23] wK‡jvRyj Ing –1 †mwg–1 Ing–1 †mwg–1 4. my‡μv‡Ri `aeYwU- [Xv. †ev. 23] Zwor we‡køl ̈ Zwor Awe‡køl ̈ B‡jKUabxq cwievnx AavZe cwievnx 5. †mwgKÛv±i wn‡m‡e e ̈eüZ nq- [Kz. †ev. 22; g. †ev. 22] Ge Zn Cu Al 6. wb‡Pi †KvbwU we`y ̈r mycwievnx bq? [P. †ev. 22] Kcvi Kve©b wmjfvi A ̈vjywgwbqvg 7. †KvbwU `ye©j Zwor we‡køl ̈? [wm. †ev. 22] NH4OH NaOH H2SO4 HNO3 8. cwievwnZvi GKK n‡jv- [Xv. †ev. 22] i. mho ii. ohm–1 iii. Siemens wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii 9. MwjZ NaCl Gi Zwor cwievwnZvi KviY Kx? [Xv. †ev. 19] gy3 B‡jKUab gy3 cigvYy gy3 Avqb gy3 AYy 10. K ̈v‡jv‡g‡j †Kvb avZz _v‡K? [P. †ev. 19] Zvgv ` ̄Ív wb‡Kj cvi` Zwor we‡køl ̈ †Kvl, Zwor ivmvqwbK †Kvl 11. †KvbwUi RviY wefe me‡P‡q Kg? [iv. †ev. 23] Kcvi †Mvì nvB‡Wav‡Rb wjw_qvg 12. Zwor we‡kølY Kv‡j †Kvb AvqbwU cÖ_‡g PvR©gy3 n‡e? [Kz. †ev. 23] Br– NO– 3 OH– Cl –
2  HSC Chemistry 2nd Paper Chapter-4 13. Zwor we‡kølY Kv‡j †KvbwU `aeY †_‡K Av‡M PvR©gy3 n‡e? [wm. †ev. 23] Sn2+ Cu2+ Ag+ Au3+ 14. GKB gvÎvi we`y ̈r GKB mgq Pvjbv Ki‡j †Kvb AvqbwU K ̈v‡_v‡W †ewk Rgv n‡e? [P. †ev. 23] Cu2+ Fe3+ Ag+ Na+ 15. †Kvb †gŠjwU GwmW †_‡K nvB‡Wav‡Rb cÖwZ ̄’vcb Ki‡Z cvi‡e? [wm. †ev. 23] Ni Bi Hg Pt 16. K ̈v‡jv‡gj ZworØv‡i †KvbwU e ̈eüZ nq? [wm. †ev. 23] Hg2Cl2 HgCl2 AgCl NH4Cl 17. wb‡Pi †KvbwU jNy H2SO4 †_‡K nvB‡Wav‡Rb wegy3 Ki‡Z cv‡i? [g. †ev. 23] Pb Hg Cu Ca 18. Zwor ivmvqwbK †Kv‡l- [Kz. †ev. 23] i. ivmvqwbK kw3 Zwor kw3‡Z cwiYZ nq ii. A ̈v‡bvW abvZ¥K nq iii. A ̈v‡bvW n‡Z gy3 B‡jKUab eZ©bx‡Z cÖevwnZ nq wb‡Pi †KvbwU mwVK i, ii ii, iii i, iii i, ii, iii 19. †Kvb AvqbwU K ̈v‡_v‡W mevi Av‡M PvR©gy3 n‡e? [Xv. †ev. 22] Ni2+ Cu2+ Zn2+ Na+ 20. jeY †mZz‡Z wb‡Pi †KvbwUi `aeY e ̈envi Kiv hvq? [iv. †ev. 22] NaCl KNO3 KMnO4 K2CO3 21. me‡P‡q kw3kvjx weRviK wb‡Pi †KvbwU? [P. †ev. 22; Kz. †ev. 16] Li Al Fe Zn 22. eavB‡bi Zwor we‡kølY Ki‡j Kx Drcbœ nq? [wm. †ev. 22] NaCl NaHCO3 NaOH NaClO 23. †Kvb †gŠjwU nvB‡Wav‡K¬vwiK GwmW †_‡K nvB‡Wav‡Rb cÖwZ ̄’vcb Ki‡Z cv‡i bv? [wm. †ev. 22] Fe Co Sn Pt 24. Zwor we‡køl‡Y †KvbwU Av‡M PvR©gy3 n‡e? [g. †ev. 22; h. †ev. 16] Cu2+ H + Pb2+ Na+ 25. Zwor we‡køl‡Yi gv‡a ̈‡g Drcv`b Kiv hvq- [iv. †ev. 22] i. Al ii. Na iii. Zn wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii 26. Zwor we‡kølY cÖwμqvq K ̈v‡_v‡W †Kvb ai‡bi wewμqv N‡U? [iv. †ev. 21] weRviY RviY RviY weRviY AcmviY wewμqv 27. †Kvb †gŠjwU HCl GwmW †_‡K H †K cÖwZ ̄’vcb Ki‡Z cv‡i? [Kz. †ev. 21] Cu Sn Hg Ag 28. Zwor we‡køl‡Y †KvbwU Av‡M PvR©gy3 n‡e? [h. †ev. 21] Pt2+ Cu2+ Cd2+ Mn2+ 29. 1 †gvj B‡jKUa‡bi †gvU PvR© KZ? [e. †ev. 21] 1.602 × 10–19 Kzj¤^ 1.602 × 10–19 × 6.022 × 1023 Kzj¤^ 6.022 × 1023 Kzj¤^ 196500 Kzj¤^ 30. Lv` ̈ je‡Yi Rjxq `aeY‡K Zwor we‡kølY Ki‡j K ̈v‡_v‡W †Kvb M ̈vmwU gy3 nq? [w`. †ev. 21] O2 N2 Cl2 H2 31. †Kvb AvqbwU Av‡M PvR©gy3 n‡e? [g. †ev. 21] Cu2+ Fe2+ Na+ Ag+ 32. NaCl Gi Rjxq `ae‡Yi Zwor we‡køl‡Y Drcbœ nq- [iv. †ev. 21] i. NaOH ii. Cl2 iii. H2 wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii
Zwor imvqb  Final Revision Batch 3 33. jeY †mZzi KvR n‡jv- [P. †ev. 21] i. Aa©‡Kvl؇qi g‡a ̈ ms‡hvM ̄’vcb Kiv ii. Zij ms‡hvM wefe `~i Kiv iii. Zwor wbi‡cÿZv eRvq ivLv wb‡Pi †KvbwU mwVK? i i, ii ii, iii i, ii, iii 34. A + , B2+, C3+ Avq‡bi `ae‡Y c„_Kfv‡e 1 F we`y ̈r Pvjbv Ki‡j- [g. †ev. 21] i. 1 mol A+ PvR©gy3 n‡e ii. 1 2 mol B K ̈v‡_v‡W Rgv n‡e iii. 1 3 mol C3+ `aeY †_‡K ZworØv‡i Rgv n‡e wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii 35. mvaviY ZvcgvÎvq H2O †_‡K H2 cÖwZ ̄’vcb Ki‡Z cv‡i- [w`. †ev. 19] Ca Mg Zn Pb 36. Zwor ivmvqwbK wmwi‡R Cu avZzi Ae ̄’vb- [h. †ev. 19] (i) Fe Gi Dc‡i (ii) Ag Gi Dc‡i (iii) H Gi wb‡P wb‡Pi †KvbwU mwVK? i I ii ii I iii i I iii i, ii I iii 37. †KvbwU‡Z we`y ̈r kw3 Drcbœ nq bv? [mw¤§wjZ. †ev. 18] Zwor we‡køl ̈ †Kvl †jW mÂqK †Kvl wjw_qvg Avqb e ̈vUvwi M ̈vjfvwbK †Kvl 38. mwμqZv wmwi‡R †KvbwUi Ae ̄’vb Dc‡i? [P. †ev. 17] Pb Cu Ag Ca 39. K ̈v‡jv‡gj †KvbwU? [P. †ev. 17] HgCl2 Hg2Cl2 HgF2 Hg2l2 40. jeY †mZz‡Z Dchy3 Zwor we‡køl ̈ c`v‡_©i †Kvb ̧‡jv e ̈eüZ n‡q _v‡K? [P. †ev. 17] KCl, KNO3,NH4Cl KCl, K2SO4,Na2SO4 KCl, NH4Cl, Na2,CO3 KCl, NH4Cl,NaNO3 41. HNO3 Gi Rjxq `ae‡Y we`y ̈r Pvjbv Ki‡j A ̈v‡bv‡W Drcbœ nq- [P. †ev. 23] i. H2O ii. O2 iii. NO2 wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii d ̈viv‡Wi m~Î 42. MwjZ A ̈vjywgbvi ga ̈ w`‡q 30 A ̈vw¤úqvi we`y ̈r 90 wgwbU hver cÖevwnZ Ki‡j K ̈v‡_v‡W KZ MÖvg avZz Rgv n‡e? [Xv. †ev. 23] 7.27 15.10 21.82 45.32 43. AgNO3 Gi GKwU `ae‡Y 60 wgwbU 5 A we`y ̈r Pvjbv Ki‡j K ̈v‡_v‡W KZ MÖvg Ag Rgv n‡e? [iv. †ev. 23] 8.766 16.812 20.145 24.854 44. CuSO4 `ae‡Y 4 A ̈vw¤úqvi we`y ̈r 45 wgwbU hver Pvjbv Ki‡j K ̈v‡_v‡W Kx cwigvY (g) Kcvi Rgv n‡e? [P. †ev. 23] 7.11 3.55 0.118 0.059 45. FeSO4 Gi `ae‡Y 2.0 F we`y ̈r PvR© cÖevwnZ Ki‡j KZ †gvj Avqib Rgv n‡e? [e. †ev. 23] 1.04 × 10–5 mol 5.8 × 10–4 mol 0.5 mol 1 mol 46. 2 F Zwor cÖev‡n KZ MÖvg †divm Avqb PvR©gy3 nq? [w`. †ev. 23] 28 56 81 112 47. 1 †gvj Fe2O3 n‡Z 1 †gvj †jvnv †c‡Z KZ cwigvY Zwor cÖ‡qvRb? [g. †ev. 23] 1 F 2 F 3 F 6 F 48. 10 g NiCl2 `ae‡Y 10 A we`y ̈r cÖevwnZ Ki‡j meUzKz avZz K ̈v‡_v‡W mwÂZ nq| G‡ÿ‡Î KZ mg‡qi cÖ‡qvRb n‡e? [Ni = 58.69] [g. †ev. 23] 1496 sec 3680 sec 5700 sec 6200 sec 49. MwjZ AlCl3 Gi g‡a ̈ KZ d ̈viv‡W Zwor cÖevwnZ Ki‡j K ̈v‡_v‡W 54 MÖvg Al mwÂZ n‡e? [Xv. †ev. 22] 1 3 6 9
4  HSC Chemistry 2nd Paper Chapter-4 50. †KvbwUi Zwor ivmvqwbK Zzj ̈v1⁄4 me‡P‡q †ewk? [Xv. †ev. 22] Cu Ag Zn Fe 51. AgNO3 `ae‡Yi g‡a ̈ 3000 C we`y ̈r Pvjbv Ki‡j K ̈v‡_v‡W KZ MÖvg Ag mwÂZ n‡e? [Ag = 108] [Xv. †ev. 22] 3.3575 2.3575 0.3357 0.2357 52. Zn Gi Zwor ivmvqwbK Zyj ̈v1⁄4 n‡”Q- [iv. †ev. 22] 7.5 g/C 5.6994 × 10–4 g/C 5.6994 × 10–3 g/C 3.388 × 10–4 g/C 53. 2.5 A we`y ̈r 1 wgwbU a‡i †Kv‡bv B‡jK‡Uav‡W cÖevwnZ Ki‡j cÖevwnZ we`y ̈‡Zi PvR© KZ Kzj¤^? [iv. †ev. 22] 0.15 1.5 15 150 54. AgNO3 `ae‡Y 1.2 amp we`y ̈r KZÿY Pvjbv Ki‡j 1.61 g Ag Rgv n‡e? [Kz. †ev. 22] 40 min 30 min 25 min 20 min 55. MwjZ Ae ̄’vq Lv` ̈ je‡Y 5.0 amp gvÎvi we`y ̈r 10 min a‡i Pvjbv Ki‡j K ̈v‡_v‡W Kx cwigvY avZz Rgv n‡e? [h. †ev. 22] 0.52 g 0.62 g 0.72 g 0.82 g 56. AlCl3 `ae‡Y 1.0 F we`y ̈r PvR© cÖevwnZ Ki‡j mwÂZ Al Gi cwigvY- [P. †ev. 22] 1 mol 3 mol 1 2 mol 1 3 mol 57. 1 F we`y ̈r Pvjbv Ki‡j wb‡Pi †Kvb avZzi AvqbwU K ̈v‡_v‡W AwaK cwigv‡Y mwÂZ n‡e? [h. †ev. 22] K Zn Ca Al 58. FeCl3 n‡Z 55.85 g Fe Rgv Ki‡Z Kx cwigvY we`y ̈r jvM‡e? [wm. †ev. 22] 5F 3F 2F 1F 59. 0.5 F = KZ Kzj¤^? [w`. †ev. 22] 48250 C 96500 C 193000 C 289500 C 60. 2 mol Al K ̈v‡_v‡W Rgv Ki‡Z Kx cwigvY we`y ̈r cÖ‡qvRb? [w`. †ev. 22] 1.5 F 2.0 F 3.0 F 6.0 F 61. Ag Gi Zwor ivmvqwbK Zzj ̈v1⁄4 n‡”Q- [g. †ev. 22] 1.01118 × 10–3 g/C 1.118 × 10–3 g/C 0.10118 × 10–3 g/C 0.010118 × 10–3 g/C 62. d ̈viv‡Wi m~Î cÖ‡hvR ̈- [e. †ev. 22] i. B‡jKUa‡bi PvR© MYbvq ii. avZzi cwigvY wbY©‡q iii. Zwor we‡køl ̈ cwievnxi †ÿ‡Î wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii 63. wmjfvi bvB‡UaU `ae‡Yi g‡a ̈ w`‡q 160 mA we`y ̈r 40 min a‡i Pvjbv Ki‡j K ̈v‡_v‡W KZwU wmjfvi cigvYy Rgv n‡e? [Xv. †ev. 21] 2.396 × 1021 wU 6.023 × 1023 wU 6.505 × 1025 wU 2.584 × 1023 wU 64. CuSO4 `ae‡Y 7.5 amp we`y ̈r 50 min a‡i Pvjbv Ki‡j K ̈v‡_v‡W Drcbœ Cu Gi cwigvY MÖvg GK‡K KZ? [iv. †ev. 21] 0.2463 3.70 7.40 14.80 65. PbSO4 `ae‡Y 5 F we`y ̈r Pvjbv Ki‡j Zwor؇i mwÂZ ev `aexf~Z †j‡Wi cwigvY n‡e- [Pb = 106.4] [Kz. †ev. 21] 0.00537 g 103.6 g 207.2 g 266 g 66. †μvwgqvg mvj‡dU `ae‡Yi ga ̈ w`‡q 50 A we`y ̈r cÖevwnZ K‡i K ̈v‡_v‡W 1 g Cr avZz mwÂZ Ki‡Z KZ mgq cÖ‡qvRb nq? [Cr = 52] [Kz. †ev. 21] 1 NÈv 85 wg 1 NÈv 23 wg 1.86 wg 0.55 wg 67. AgNO3 `ae‡Y 0.1 F Zwor Pvjbv Ki‡j K ̈v‡_v‡W KZ MÖvg wmjfvi Rgv n‡e? [h. †ev. 21] 108 10.8 1.08 0.108 68. FeSO– 4 Gi Rjxq `ae‡Y 5 A we`y ̈r 40 min hver Pvjbv Ki‡j K ̈v‡_v‡W mwÂZ Avqib Gi cwigvY KZ? [e. †ev. 21] 0.0658 g 0.1316 g 3.47 g 6.350 g