Title মৌলের পর্যাবৃত্ত ধর্ম ও রাসায়নিক বন্ধন বোর্ড Standard .pdf ✅

†g.‡ji ch©vqe„Ë ag© I ivmvqwbK eÜb  HSC Preparation 1 †g.‡ji ch©vqe„Ë ag© I ivmvqwbK eÜb Periodic Properties and Chemical Bonding of Elements Z...Zxq Aa ̈vq Topicwise CQ Trend Analysis UwcK 2016 2017 2018 2019 2021 2022 †gvU B‡jKUab web ̈vm n‡Z ch©vq mviwY‡Z †g.‡ji Ae ̄ vb wbY©q Ñ Ñ Ñ Ñ Ñ wewfbœ eø‡Ki †g.j mg~‡ni mvaviY ag©vewj Ñ Ñ Ñ Ñ Ñ D-eøK †g.‣ji wewfbœ •ewkó ̈ 1 3 Ñ 4 Ñ wewfbœ ch©vqe„Ë ag© Ges Zv‡`i Dci wewfbœ wRwb‡mi eÜb 8 7 3 9 wewfbœ cÖKvi eÜb Ñ 1 Ñ Ñ Ñ AiweUvj msμgY Ges Gi cÖKvi‡f` Ñ Ñ Ñ 1 Ñ msKi AiweUvj Gi mv‡_ mg‡hvRx †h.‡Mi AvK...wZi m¤úK© I eÜb †KvY 7 5 2 4 †K›`axq cigvYyi msKiY Ae ̄ vb wbY©q Ñ Ñ 1 Ñ Ñ †cvjvi `aveK †cvjvwiwU I AvqwbK wefe Ñ 1 Ñ 4 Ñ f ̈vbWvi Iqvjm ej Ñ Ñ Ñ Ñ Ñ nvB‡Wav‡Rb eÜb I Zwor FYvZ¥KZv 3 5 Ñ 4 Ñ A‣Re †h.‡Mi bvgKiY Ges ms‡KZ wjLb Ñ Ñ Ñ Ñ Ñ dvRv‡bi bxwZ Ñ 3 1 1 Ñ AmvgÄm ̈ wewμqv Ñ 1 Ñ Ñ Ñ * we.`a.: 2020 mv‡j GBPGmwm cixÿv AbywôZ nqwb, 2021 mv‡j kU© wm‡jev‡m Aa ̈vqwU AšÍfz©3 wQjbv| weMZ mv‡j †ev‡W© Avmv m„Rbkxj cÖkœ 1| [Xv. †ev. 22] MÖæc  ch©vq  1 16 17 1g A 2q B C 3q D GLv‡b, A, B, C I D cÖPwjZ cÖZxK bq| (K) wf‡bMvi Kx? [Aa ̈vq-5] (L) †ewiwjqvg Gi †ÿ‡Î û‡Ði bxwZ cÖ‡hvR ̈ bq †Kb? [Aa ̈vq-2] (M) AC A‡cÿv A2B †h.‡Mi ùzUbv1⁄4 †ewk nevi KviY e ̈vL ̈v Ki| Hints: [H-bond] (N) A2B Ges A2D †h.M؇qi eÜb †Kv‡Yi gvb wfbœ nevi KviY we‡kølY Ki| Hints: [VSEPR Theory] 2| [Xv. †ev. 22] †g.j †hvR ̈Zv ͇̄ii B‡jKUab web ̈vm n Gi gvb P (n – 1)d1 ns2 Q (n – 1)d 4 6 ns2 R (n – 1)d10 ns2 (K) AvB‡mv‡Uvc Kv‡K e‡j? [Aa ̈vq-2] (L) cvwbi AvqwbK ̧Ydj ZvcgvÎi Dci wbf©ikxj †Kb? e ̈vL ̈v Ki| [Aa ̈vq-4] (M) DÏxc‡Ki †g.j wZbwU e ̈envi K‡i †`LvI †h, mKj d- eøK †g.jB Ae ̄ všÍi †g.j bq| (N) [Q(CN)6] 4– Wvqvg ̈vM‡bwUK A_P [Q(CN)6] 3– c ̈vivg ̈vM‡bwUK, KviY we‡kølY Ki| 3| [iv. †ev. 22] GLv‡b A, B, C, D, E, F, G †g.‡ji, cÖPwjZ cÖZxK bq 4 5 6 7 8 9 10 Atomic number A B C D E F |F G (K) Avjdv () KYv Kv‡K e‡j? [Aa ̈vq-2] (L) mvg ̈ aaæeK Kc Gi gvb k~b ̈ nq bv †Kb? [Aa ̈vq-4] (M) DÏxc‡Ki E †g.‡ji Z...Zxq I me©‡kl B‡jKUa‡bi Rb ̈ cwji eR©b bxwZi cÖ‡qvM †`LvI| (N) DÏxc‡Ki MÖv‡d AvqwbKiY wef‡ei μg cwieZ©‡bi e ̈wZμg cwijwÿZ n‡q _vK‡j Zvi KviY hyw3mn we‡kølY Ki| Hints: [ Be > B N > O Aa©c~Y© Ges m¤ú~Y© orbital Gi w ̄ wZ|] 4| [iv. †ev. 22]
2  HSC Chemistry 1st Paper A D HI HBr C B 0C – 100C – 200C AvYweK fi ùzUbvs1⁄4 (K) A ̈vw›U Aw·‡W›U Kx? [Aa ̈vq-5] (L) DfgyLx wewμqv KL‡bv †kl nq bv †Kb? [Aa ̈vq-4] (M) MÖvd wP‡Îi C we›`y‡Z wb‡`©wkZ Gwm‡Wi K Ges Ca je‡Yi g‡a ̈ †KvbwU AwaKZi AvqwbKÑ e ̈vL ̈v Ki| Hints: [Fazan’s Rule] (N) DÏxc‡Ki A, B, C I D †h.Mmg~‡ni ùzUbv‡1⁄4i ZviZ‡g ̈i KviY we‡kølY Ki| Hints: [HF > HI > HBr > HCl]; H-bond 5| [Kz. †ev. 22] A  AvqwbKiY kw3 B C D E 3 4 5 6 7 8 9 10 (K) AvDdevD bxwZwU wjL| [Aa ̈vq-2] (L) 2d AiweUvj m¤¢e bq †Kb? e ̈vL ̈v Ki| [Aa ̈vq-2] (M) C I D Gi nvBWavBWmg~‡ni MVb wfbœZvi KviY e ̈vL ̈v Ki| Hints: [lp-lp > lp-bp > bp-bp] (N) DÏxc‡K cÖ`wk©Z †g.jmg~‡ni MÖvdwU mij‣iwLK bv nIqvi KviY we‡kølY Ki| Hints: [Aa©c~Y© Gi m¤ú~Y© orbital Gi ̄ vwqZ¡ B‡jKUab web ̈vm] 6| [Kz. †ev. 22] †g.j †kl kw3 ͇̄ii B‡jKUab web ̈vm GLv‡b n = 2 A ns2 np3 B (n + 1)s2 (n + 1)p3 C (n + 1)s2 (n + 1)p5 (K) fiwμqvi m~Î Kv‡K e‡j? [Aa ̈vq-4] (L) pH † ̄..‡ji mxgv ‘0 †_‡K 14’ nq †Kb? [Aa ̈vq-4] (M) AC5 I BC5 MVb m¤¢e wKbv e ̈vL ̈v Ki| Hints: [NCl5 MVb m¤¢e bq KviY N Gi duvKv d-orbital bvB|] (N) A I B Gi nvBWavB‡Wi msKivqb GKB n‡jI eÜb †KvY mv`„k ̈ nIqvi Dc‡hvwMZv we‡kølY Ki| Hints: [VSEPR Theory] 7| [h. †ev. 22] MÖæc  ch©vq  1 15 16 17 1 H 2 X Y F 3 W Z GLv‡b, X, Y, Z I W †g.‡ji cÖPwjZ cÖZxK bq| (K) evdvi `aeY Kx? [Aa ̈vq-4] (L) `ave ̈Zvi Dci ZvcgvÎvi cÖfve e ̈vL ̈v Ki| [Aa ̈vq-2] (M) DÏxc‡Ki Y Ges Z Gi nvBWavB‡Wi †f.Z Ae ̄ v wfbœÑ Dˇii c‡ÿ hyw3 `vI| Hints: [H-bond] (N) DÏxc‡Ki Av‡jv‡K XH3 Ges XF3 †h.M؇qi eÜb †Kv‡Yi gv‡bi wfbœZvi KviY we‡kølY Ki| Hints: [VSEPR Theory] 8| [h. †ev. 22] MÖæc  ch©vq  2 11 12 1 2 A 3 4 B C D cÖPwjZ A‡_© A, B, C I D †g.‡ji mvaviY cÖZxK bq| (K) û‡Ûi bxwZ Kx? [Aa ̈vq-2] (L) Sc avZz‡K Ae ̄ všÍi †g.j ejv nq bv †Kb? e ̈vL ̈v Ki| [Aa ̈vq-3] (M) C †h.‡Mi mvj‡d‡Ui Rjxq `ae‡Yi cÖK...wZ e ̈vL ̈v Ki| Hints: [A¤øxq {CuSO4}] (N) a† Hints: [CaO, ZnO (GKmv‡_ ivLv hv‡e bv KviY Giv Lye `aæZ wewμqv K‡i CaZnO2 •Zwi K‡i|)] 9| [P. †ev. 22] AvqwbKiY kw3 (ev)  A Z...Zxq ch©vq cvigvYweK μgv1⁄4  B D E G H F C cÖ`Ë cÖZxK †g.‡ji cÖPwjZ cÖZxK bq| (K) Lv` ̈ msiÿK Kv‡K e‡j? [Aa ̈vq-5] (L) HNO3 GwmW I H3PO4 Gwm‡Wi g‡a ̈ †KvbwU AwaK kw3kvjx e ̈vL ̈v Ki| [Aa ̈vq-4] (M) DÏxc‡Ki CG3 †h.MwUi Rjxq `aeY A¤øxq eY©bv Ki| Hints: [AlCl3] (N) DÏxc‡Ki A, B I C †g.‡ji mv‡_ c„_Kfv‡e G †g.jwUi m„ó †h.M ̧‡jvi Mjbv‡1⁄4i μg we‡kølY Ki| Hints: [Fazan’s Rule: NaCl > MgCl2 > AlCl3] 10| [P. †ev. 22] †kÖwY  ch©vq  2 3 14 A B 16 C 17 D A, B, C I D †g.‡ji cÖPwjZ cÖZxK bq| (K) mvg ̈ aaæeK Kv‡K e‡j? [Aa ̈vq-4] (L) gvB‡μvI‡qf I‡f‡b Kxfv‡e Lv` ̈ Mig nq e ̈vL ̈v Ki| (M) DÏxc‡Ki AC2 †h.M I BC2 †h.‡Mi †f.Z Ae ̄ v ̄^vfvweK ZvcgvÎvq wfbœ †KbÑ Av‡jvPbv Ki|
†g.‡ji ch©vqe„Ë ag© I ivmvqwbK eÜb  HSC Preparation 3 Hints: [CO2 (M ̈vmxq), SiO2 (KwVb)] (N) DÏxc‡Ki BD4 †h.MwU Av`a©we‡køwlZ n‡jI AD4 †h.MwU Av`a©we‡køwlZ nq bvÑhyw3mnKv‡i Av‡jvPbv Kiv| Hints: [SiCl4, CCl4  duvKv d orbital] 11| [P. †ev. 22] †g.j †kl Kÿc‡_i B‡jKUab web ̈vm A ns2 np1 n = 2 B ns2 np5 n = 2 C ns2 np3 n = 3 D ns2 np5 n = 3 A, B, C I D †g.‡ji cÖPwjZ cÖZxK bq| (K) we‡qvRb aaæe‡Ki msÁv `vI| [Aa ̈vq-4] (L) 3f AiweUvj m¤¢e bq †Kb? e ̈vL ̈v Ki| [Aa ̈vq-2] (M) DÏxc‡Ki B I D †g.‡ji B‡jKUab Avmw3 Zzjbvg~jK e ̈vL ̈v `vI| Hints: [Cl > F (F Gi AvKvi †QvU, PvR© NbZ¡ †ewk|)] (N) AB– 4 Avqb I CD3 †h.‡Mi g‡a ̈Kvi msKiY GKB n‡jI eÜb †Kv‡Yi wfbœZv i‡q‡QÑ hyw3mn Av‡jvPbv Ki| Hints: [BF– 4 , PCl3] 12| [e. †ev. 22] †kÖwY  ch©vq  13 17 2 A 3 B C A, B, C †g.‡ji cÖPwjZ cÖZxK bq| (K) ÿvi avZz Kv‡K e‡j? [Aa ̈vq-3] (L) NaCl Gi `ave ̈Zv 36 ej‡Z Kx eyS? [Aa ̈vq-2] (M) C Gi B‡jKUab Avmw3 A A‡cÿv †ewkÑe ̈vL ̈v Ki| (N) Zvc cÖ‡qv‡M BC3 †h.‡Mi †f.Z Ae ̄ vi cwieZ©‡bi KviY we‡kølY Ki| Hints: [AlCl3 WvBgvi MVb K‡i|] 13| [e. †ev. 22] †kÖwY  ch©vq  1 14 2 A X 3 Y (K) mg-Avqb cÖfve Kv‡K e‡j? [Aa ̈vq-2] (L) 3f AiweUvj m¤¢e wKbv? e ̈vL ̈v Ki| [Aa ̈vq-2] (M) XA4 Gi msKiY e ̈vL ̈v Ki| Hints: [CLi4  Sp3 ] (N) X Ges Y †g.‡ji A·vB‡Wi †f.Z Ae ̄ vi wfbœZvi KviY we‡kølY Ki| Hints: [CO2, SiO2] 14| [wm. †ev. 22] MÖæc  ch©vq  4 – 16 2q X Y 3q Z (K) meyR imvqb Kv‡K e‡j? [Aa ̈vq-4] (L) COCl2(g) ⇌ CO(g) + Cl2(g). wewμqvwUi Dci Pv‡ci cÖfve †jL| [Aa ̈vq-4] (M) DÏxc‡Ki X †g.‡jj A·vBW †h.‡M X Gi msKivqb e ̈vL ̈v Ki| Hints: [CO2, Sp] (N) GKB MÖæ‡ci †g.j nIqv m‡Ë¡I Y I Z Gi nvBWavBWmg~‡ni a‡g©i Awg‡ji KviY †h.M MVbc~e©K we‡kølY Ki| Hints: [H2S] 15| [wm. †ev. 22] X-29 cvigvYweK msL ̈vwewkó †g.j NH3 + H+  Y (K) Zwor-Pz¤^Kxq wewKiY Kv‡K e‡j? [Aa ̈vq-2] (L) PCl5(g) ⇌ PCl3(g) + Cl2(g) wewμqvwUi Kc Gi GKK wbY©q Ki| [Aa ̈vq-4] (M) DÏxc‡Ki ‘Y’ Gi kbv3KiY cixÿv mgxKiYmn e ̈vL ̈v Ki| (N) X 2+ Øviv m„ó RwU‡ji eY©hy3 nIqvi KviY we‡kølY Ki| 16| [wm. †ev. 22] †g.j †hvR ̈Zv ͇̄ii B‡jKUab web ̈vm n = 2 P (n – 1)s1 Q ns2 S ns2 np4 (K) wcKwjs Kv‡K e‡j? [Aa ̈vq-5] (L) AmIqvì-jNyKiY m~ÎwU MvwYwZK iƒcmn †jL| [Aa ̈vq-4] (M) P2S Gi †f.Z Ae ̄ v e ̈vL ̈v Ki| Hints: [H2O Zij (H-bond)] (N) mvaviY ZvcgvÎvq Cl2 Gi mv‡_ Q Gi †h.M MVb Av‡jvPbv Ki| Hints: [BeCl2 {mij‣iwLK}] 17| wb‡Pi DÏxcKwfwËK mswkøó cÖ‡kœi DËi `vI: [w`. †ev. ] cvigvYweK msL ̈v 6 14 15 16 17 18 †g.j A B C D E F (K) `ave ̈Zv ̧Ydj Kx? [Aa ̈vq-2] (L) Òi3 n‡jv GKwU evdvi `aeYÓÑe ̈vL ̈v Ki| [Aa ̈vq-4] (M) DÏxc‡Ki C I D Gi g‡a ̈ †KvbwUi AvqbxKiY kw3 †ewk? KviYmn e ̈vL ̈v Ki| Hints: [P > S] (N) DÏxc‡Ki AE4 I BE4 †h.M `ywU cvwbi mv‡_ GKB ai‡bi AvPiY K‡i wK-bv Zv hyw3mn we‡kølY Ki| 18| DÏxcKwfwËK mswkøó cÖ‡kœi DËi `vI: [w`. †ev. 22] cÖZxKx †g.j me©ewn ̄ ͇̄ii B‡jKUab web ̈vm P  (n – 1)s1 [GLv‡b n = 2] Q  ns2 np2 R  ns2 np3 S  ns2 np4 (K) evdvi `aeY Kx? [Aa ̈vq-4] (L) D`vniYmn cwji e©Rb bxwZ e ̈vL ̈v Ki| [Aa ̈vq-2] (M) mvaviY ZvcgvÎvi P2S I QS2 Gi †f.Z Ae ̄ v wfbœ †Kb? e ̈vL ̈v Ki| (N) DÏxcK g‡Z Q I R Gi nvBWavBW؇qi g‡a ̈ †KvbwUi eÜb-†Kv‡Yi gvb †ewk? KviYmn we‡kølY Ki| 19| wb‡Pi DÏxcKwfwËK mswkøó cÖ‡kœi DËi `vI: [w`. †ev. 22] MÖæc  ch©vq  14 15 16 17