Title BUP Chemistry Capsoule.pdf ✅

Engr. Sohan Sir (01326-868698) 1 There is no substitute for hard work......
Engr. Sohan Sir (01326-868698) 2 There is no substitute for hard work...... imvqb 1g cÎ Aa ̈vq 01 j ̈ve‡iUwii wbivc` e ̈envi ̧iæZ¡c~Y© Av‡jvPbv ❖ wmb‡_wUK wR‡U·, jv‡U·- I wfbvBj n ̈vÛ Møvfm cPbkxj bq Ges AwaK `vn ̈| ❖ wmb‡_wUK Møvf‡mi cwie‡Z© bvBUavBj Møvfm e ̈envi Kiv DwPZ| ❖ ‰Re `aveK mivmwi wkLv‡Z DËß Ki‡Z †bB, KviY Zv‡Z Av ̧b a‡i hvq| wkLvi cwie‡Z© c ̈vivwdb ev_ ev Zvc- g ̈v›Uj ev evqyMn e ̈envi Kiv nq|  MøvmmvgMÖx cwi®‹v‡i e ̈eüZ nqÑ 1) K2Cr2O7 + Mvp H2SO4 wgkÖb: iw1⁄2b c`v_© †hgb jeY, Kcvi jeY, KmnO4 ,K2Cr2O7 `yixKi‡Y 2) Na2CO3 (10%) 3) ‡WKb-90 : wMÖR, AvjKvZiv, wmwjKb †Zj `yixKi‡Y|  ‡μvwgK GwmW wgkÖb cÖ ̄‘wZ: 1) K2Cr2O7 ∶ 4G 2) H2O (cvwZZ): 40 ml 3) Mvp H2SO4 (2m) ∶ 40 ml ❖ ‡jmvBb cixÿvq wbivcËvi Rb ̈ gv ̄‹ e ̈envi Ki‡Z n‡e| ❖ KwVb ivmvqwbK `ae ̈ †bqvi Rb ̈ ̄ú ̈vPzjv e ̈envi nq| ❖ wMÖR mvi RvZxq c`v_© `~ixKi‡Y CH3COCH3 e ̈envi nq| ❖ ‡KwgK ̈vj e ̈vjvÝ 2 cÖKvi| h_v: cj-eyw1⁄2 e ̈v‡jÝ Gv‡Uvwiqvm e ̈v‡jÛ| ❖ ivmvqwbK wbw3 0.01 − 0.0001 G ch©šÍ cwigvc K‡i| ❖ cÖvBgvix ÷ ̈vÛvW© c`v_© †_‡K cÖgvb `aeb cÖ ̄‘Z Kiv nq| ❖ ‡m‡KÛvix c`v‡_©i IRb w`‡Z ivd e ̈v‡jÝ e ̈eüZ nq| ❖ Zij †m‡KÛvix c`v_© IRb wb‡Z †gRvwis wmwjÛvi e ̈eüZ nq| ❖ cj eyw1⁄2 e ̈v‡jÝ 100 fv‡M `vMvw1⁄2Z wKš‘ m ̈vi‡Uvwiqvm e ̈v‡jÝ 50 fv‡M `vMvw1⁄2Z _v‡K| ❖ `ae‡Yi †gvjwiwU ‡gvj GK‡K `a‡ei cwigvY wjUvi GK‡Ki `ae‡Yi AvqZb ❖ ‡gvjvi `aeY = 1M ‡mwg‡gvjvi `aeY 0.5 M ‡Wwm‡gvjvi `aeY 0.1 M ‡mwg‡gvjvi `aeY 0.01 M wgwj‡gvjvi `aeY 0.001 M ❖ AvqZwbK d¬v· mvaviYZ 250 mL, 500 mL A_ev 1000 mL n‡q _v‡K| ❖ wWwRUvj e ̈v‡j݇K Uc †jvwWs e ̈v‡jÝ ejv nq|  cÖvBgvix c`v_©:  Na2CO3 , H2C2O. 2H2O, Na2C2O4 . 2HO, K2Cr2O7 BZ ̈vw`|  ‡m‡KÛvix ÷ ̈vÛvW© c`v_©:  NaOH, Hcl, H2SO4 ,KMnO4 , Na2S2O3 . 5H2O BZ ̈vw`| ❖ wWwRUvj e ̈v‡jÝ wb‡Z IRb wb‡Z Personal error Gi m¤¢vebv †bB| ❖ A‰Re je‡bi K ̈vUvqb I A ̈vbvqb kbv3Kib c×wZ‡ n‡jv Avw1⁄2K we‡kølb| ❖ weRviK c`v_© NaH, LiAlH4 , Na avZz cvwbi ms ̄ú‡k© Av ̧b a‡i hvq|
Engr. Sohan Sir (01326-868698) 3 There is no substitute for hard work...... GwmW ÿv‡ii cÖK...wZ Dc‡hvMx wb‡`©kK Zxea GwmW + g„`y ÿvi wg_vBj A‡iÄ, wg_vBj †iW g„`y GwmW + Zxea ÿvi ‡dbd_ ̈vwjb, _vBgj_ ̈vwjb Zxea GwmW + Zxea ÿvi mKj wb‡`©kK g„`y GwmW + g„`y ÿvi wb‡`©kK †bB ❖ ÿqKvix c`v‡_©i pH 2.5 Gi Kg ev 12.5 Gi †ewk n‡q _v‡K| ❖ n ̈vRvW© wm¤^j 10 wU| ❖ MSDS → Material Safety Data Sheet ❖ CCl4 I Ab ̈vb ̈ n ̈v‡jv‡R‡bv A ̈vj‡Kb wjfvi I wKWwbi ÿwZ K‡i| cwi‡e‡ki ÿwZKi welv3 weKviK weKí weKviK CHCl3 C6H14 CCl4 C6H14 C6H6 C6H5 − CH3 weDUvbj - 2 weDUvbj - 1 PbCrO4 K2CO3 K Ca ❖ cwZ3 GwmW‡K cÖkwgZ Ki‡Z Na2CO3 ev Pz‡bi ̧ov e ̈envi Kiv nq| ❖ cwiZ3 ÿvi‡Ki †ÿ‡Î NaHSO4 e ̈eüZ nq| ❖ avZz bó Ki‡Z weDUvbj, wg_vbj, B_vbj e ̈eüZ nq| ❖ Ae ̈eüZ LiAlH4 †K bó Ki‡Z Na2SO4 ev MgSO4 e ̈eüZ nq| ❖ wjKvi A ̈v‡gvwbqv: 35 − 40% NH3 Gi m¤ú„3 `aeY| ❖ digvwjb: HCHO G 40% Rjxq `aeb|  g ̈v‡μv we‡kølY:  bgybv c`v_© : 0.5 g − 2.0g  AvqZb : 20 − 30 mL  ‡mwggvB‡μv we‡kølY:  bgybv c`v_© : 0.05g − 0.2g  AvqZb : 2 mL − 4 mL  gvB‡μv we‡kølY:  bgybv c`v_© : 5mg − 20mg  AvqZb : 0.2 mL − 1.0 mL ❖ ‡mwggvB‡μv c×wZ‡Z H2S Gi cwie‡Z© _v‡qv A ̈vwmUv gvBW (CH3CSNH2 ) e ̈eüZ nq|  gvB‡μv c×wZ‡Z e ̈eüZ hš¿mg~n: 1) ‡μvgv‡UvMÖvwd‡Z: HPLC, GPLC 2) ‡ ̄‹K‡Uav‡gvwUa‡Z: IR,UV − Vis, NMR, Fluorescence, Mass Spectrum. 3) _v‡g©v A ̈vbvjvBwmm: DSC (differential scanning colorimeter) 4) cvigvYweK †kvlb eY©vwj: AAS (Atomic absorption Spectroscopy) 5) X − ray e ̈wZPvi hš¿: X − ray diffaraction. ❖ ivwes A ̈vjv‡Kvnj: 70% AvB‡mv‡cÖvcvBj A ̈vj‡Kvnj| ❖ nv‡Z GwmW jvM‡j 5% `aeY w`‡q fv‡jvfv‡e ay‡Z n‡e| ❖ ÿvi `aeY †Pv‡L Qvo‡j H3BO3 w`‡Z n‡e| ❖ Na †K wbw®Œq `aveK †K‡ivwm‡b Wzwe‡q ivLv nq|
Engr. Sohan Sir (01326-868698) 4 There is no substitute for hard work...... Aa ̈vq 02 ̧YMZ imvqb ̧iæZ¡c~Y© Av‡jvPbv ❖ iv`vi‡dv‡W©i cigvby g‡Wj: 1911 wLaóv‡ã| ❖ α Kbv ( He2+ 2 4 ) α Kbvi fi 4| ❖ ZnS n‡jv AbycÖfv m„wóKvix c`v_© hv Photon †kvlb K‡i c‡i Zv `„k ̈gvb Av‡jvi cwim‡i wewKib K‡i| ❖ cvZjv †mvbvi cvZ (0.0004 cm). ❖ H cigvbyi e ̈vm 1 × 10−8 cm ev 0.1 nm| ❖ wbDwK¬qv‡mi AvKvi 1 × 10−12 = 10−13 cm. ❖ ‡evi cigvby g‡Wj: 1913 wLaóv‡ã| ❖ B‡jKUa‡bi †KŠwbK fi‡eM mvr = nh 2π ❖ cøv‡1⁄4i aaæeK h = 6.626 × 10−34 Js ❖ ‡evi e ̈vmva© a0 = 5.292 × 10−11 m. ❖ wiWevM© aaæeK RH = 109678 cm−1 ev 1.09678 × 10−2 m ❖ Zi1⁄2 msL ̈v 1 λ = RH ( 1 n1 2 − 1 n2 2) wmwiR eY©vjx jvB‡gb AwZ‡e ̧wb AÂj evgvi `„k ̈gvb AÂj c ̈v‡ðb Ae‡jvwnZ AÂj eav‡KU Ae‡jvwnZ AÂj nvgwd«m Ae‡jvwnZ AÂj ❖ wW eaMjxi mgxiKiY: λ = h mv ❖ ‡evi B‡jKUab wewfbœ Kÿc_ AveZ©bKv‡j Kÿc‡_i cÖavb †Kvqv›Uvg msL ̈vi mgmsL ̈K c~Y©Zi1⁄2 m„wó K‡i|  ‡ ̄avwWÂv‡ii mgxKiY: δ 2Ψ δx2 + δ 2Ψ δy2 + δ 2Ψ δz2 + 8λ 2m h 2 +(E − u)Ψ = 0 ❖ cÖavb kw3 ͇̄i m‡e©v”P B‡jKUab avib ÿgZv 2n 2 | ❖ cÖavb kw3 ͇̄i m‡e©v”P AiweUvj msL ̈v n 2 | ❖ mnKvix †Kvqv›Uvg msL ̈v λ Gi gvb 0 †_‡K n − 1 ch©šÍ| ❖ cÖwZ λ Gi Rb ̈ m Gi gvb (2λ + 1) ❖ ‡Kvb Dckw3 ͇̄i m‡e©v”P B‡jKUab aviYÿgZv 2(2λ + 1)