物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件

遝時(shí)3物質(zhì)制各及性質(zhì)揲究類實(shí)驗(yàn)題[課時(shí)詮釋]物質(zhì)制備及性質(zhì)驗(yàn)證與探究實(shí)驗(yàn)是高考熱點(diǎn),物質(zhì)制備主要以氣體、無機(jī)物、有機(jī)物的制備為載體,考查學(xué)生常見化學(xué)儀器的使用,物質(zhì)的分離與提純等基本實(shí)驗(yàn)操作,以及實(shí)驗(yàn)條件的控制、產(chǎn)率的計(jì)算;而性質(zhì)的探究過程就是科學(xué)探究的過程,過程中對物質(zhì)性質(zhì)的預(yù)測,設(shè)計(jì)實(shí)驗(yàn)以及對實(shí)驗(yàn)過程中出現(xiàn)的問題和現(xiàn)象進(jìn)行分析和解釋,能更好地考查同學(xué)們的科學(xué)素養(yǎng)。此類試題往往探究化學(xué)反應(yīng)機(jī)理、探究化學(xué)實(shí)驗(yàn)中的反常現(xiàn)象、探究對典型問題的質(zhì)疑、探究未知物的成分、探究物質(zhì)的性質(zhì)、探究反應(yīng)條件以及反應(yīng)的現(xiàn)象等,是近幾年新課標(biāo)考試的熱點(diǎn)題型。遝時(shí)3物質(zhì)制各及性質(zhì)揲究類實(shí)驗(yàn)題1微點(diǎn)聚焦一涉及氣體的物質(zhì)制備[典題示倒]【示例1】(2019·北京朝陽模擬)工業(yè)上常利用含硫廢水生產(chǎn)Na2S2O35H2O,實(shí)驗(yàn)室可用如下裝置(略去部分夾持儀器模擬生產(chǎn)過程。70%H2SO4混合液費(fèi)加熱裝置E微點(diǎn)聚焦一涉及氣體的物質(zhì)制備2燒瓶C中發(fā)生反應(yīng)如下:Ta2S(aq)+H2o()+SO2(g)===Na2SO3(aq)+HS(aq(I)2H2S(aq)+SO2(g)==3S(s)+2H2O()(Ⅱ)S(s)+Na2SO3(a=4Na2S2O3(ag(I)(1儀器組裝完成后,關(guān)閉兩端活塞,向裝置B中的長頸漏斗內(nèi)注入液體至形成一段液柱,若,則整個(gè)裝置氣密性良好。裝置D的作用是裝置E中為溶液。燒瓶C中發(fā)生反應(yīng)如下:3(2)為提高產(chǎn)品純度,應(yīng)使燒瓶C中Na2S和Na2SO3恰好完全反應(yīng),則燒瓶C中Na2S和Na2SO3物質(zhì)的量之比為(3)裝置B的作用之一是觀察SO2的生成速率,其中的液體最好選擇a.蒸餾水b.飽和Na2SO3溶液C.飽和NasO3溶液d.飽和Nahco3溶液(2)為提高產(chǎn)品純度,應(yīng)使燒瓶C中Na2S和Na2SO3恰好4實(shí)驗(yàn)中,為使SO2緩慢進(jìn)入燒瓶C,采用的操作是已知反應(yīng)(Ⅲ相對較慢,則燒瓶C中反應(yīng)達(dá)到終點(diǎn)的現(xiàn)象是反應(yīng)后期可用酒精燈適當(dāng)加熱燒瓶A,實(shí)驗(yàn)室用酒精燈加熱時(shí)必須使用石棉網(wǎng)的儀器還有燒杯b.蒸發(fā)皿c.試管d.錐形瓶實(shí)驗(yàn)中,為使SO2緩慢進(jìn)入燒瓶C,采用的操作是5物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件6物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件7物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件8物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件9物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件10物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件11物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件12物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件13物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件14物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件15物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件16物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件17物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件18物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件19物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件20物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件21物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件22物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件23物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件24物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件25物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件26物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件27物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件28物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件29物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件30物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件31物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件32物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件33物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件34物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件35物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件36物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件37物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件38物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件39物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件40物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件41物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件42物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件43物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件44物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件45物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件46物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件47物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件48物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件49物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件50物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件51物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件52物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件53物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件54物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件55物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件56物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件57物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件58物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件59物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件60物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件61物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件62物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件63物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件64物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件65物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件66物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件67物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件68物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件69物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件70物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件71物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件72物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件73物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件74物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件75物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件76物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件77物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件78物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件79物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件80物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件81遝時(shí)3物質(zhì)制各及性質(zhì)揲究類實(shí)驗(yàn)題[課時(shí)詮釋]物質(zhì)制備及性質(zhì)驗(yàn)證與探究實(shí)驗(yàn)是高考熱點(diǎn),物質(zhì)制備主要以氣體、無機(jī)物、有機(jī)物的制備為載體,考查學(xué)生常見化學(xué)儀器的使用,物質(zhì)的分離與提純等基本實(shí)驗(yàn)操作,以及實(shí)驗(yàn)條件的控制、產(chǎn)率的計(jì)算;而性質(zhì)的探究過程就是科學(xué)探究的過程,過程中對物質(zhì)性質(zhì)的預(yù)測,設(shè)計(jì)實(shí)驗(yàn)以及對實(shí)驗(yàn)過程中出現(xiàn)的問題和現(xiàn)象進(jìn)行分析和解釋,能更好地考查同學(xué)們的科學(xué)素養(yǎng)。此類試題往往探究化學(xué)反應(yīng)機(jī)理、探究化學(xué)實(shí)驗(yàn)中的反?，F(xiàn)象、探究對典型問題的質(zhì)疑、探究未知物的成分、探究物質(zhì)的性質(zhì)、探究反應(yīng)條件以及反應(yīng)的現(xiàn)象等,是近幾年新課標(biāo)考試的熱點(diǎn)題型。遝時(shí)3物質(zhì)制各及性質(zhì)揲究類實(shí)驗(yàn)題82微點(diǎn)聚焦一涉及氣體的物質(zhì)制備[典題示倒]【示例1】(2019·北京朝陽模擬)工業(yè)上常利用含硫廢水生產(chǎn)Na2S2O35H2O,實(shí)驗(yàn)室可用如下裝置(略去部分夾持儀器模擬生產(chǎn)過程。70%H2SO4混合液費(fèi)加熱裝置E微點(diǎn)聚焦一涉及氣體的物質(zhì)制備83燒瓶C中發(fā)生反應(yīng)如下:Ta2S(aq)+H2o()+SO2(g)===Na2SO3(aq)+HS(aq(I)2H2S(aq)+SO2(g)==3S(s)+2H2O()(Ⅱ)S(s)+Na2SO3(a=4Na2S2O3(ag(I)(1儀器組裝完成后,關(guān)閉兩端活塞,向裝置B中的長頸漏斗內(nèi)注入液體至形成一段液柱,若,則整個(gè)裝置氣密性良好。裝置D的作用是裝置E中為溶液。燒瓶C中發(fā)生反應(yīng)如下:84(2)為提高產(chǎn)品純度,應(yīng)使燒瓶C中Na2S和Na2SO3恰好完全反應(yīng),則燒瓶C中Na2S和Na2SO3物質(zhì)的量之比為(3)裝置B的作用之一是觀察SO2的生成速率,其中的液體最好選擇a.蒸餾水b.飽和Na2SO3溶液C.飽和NasO3溶液d.飽和Nahco3溶液(2)為提高產(chǎn)品純度,應(yīng)使燒瓶C中Na2S和Na2SO3恰好85實(shí)驗(yàn)中,為使SO2緩慢進(jìn)入燒瓶C,采用的操作是已知反應(yīng)(Ⅲ相對較慢,則燒瓶C中反應(yīng)達(dá)到終點(diǎn)的現(xiàn)象是反應(yīng)后期可用酒精燈適當(dāng)加熱燒瓶A,實(shí)驗(yàn)室用酒精燈加熱時(shí)必須使用石棉網(wǎng)的儀器還有燒杯b.蒸發(fā)皿c.試管d.錐形瓶實(shí)驗(yàn)中,為使SO2緩慢進(jìn)入燒瓶C,采用的操作是86物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件87物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件88物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件89物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件90物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件91物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件92物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件93物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件94物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件95物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件96物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件97物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件98物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件99物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件100物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件101物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件102物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件103物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件104物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件105物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件106物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件107物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件108物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件109物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件110物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件111物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件112物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件113物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件114物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件115物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件116物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件117物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件118物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件119物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件120物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件121物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件122物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件123物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件124物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件125物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件126物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件127物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件128物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件129物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件130物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件131物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件132物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件133物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件134物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件135物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件136物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件137物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件138物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件139物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件140物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件141物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件142物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件143物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件144物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件145物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件146物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件147物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件148物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件149物質(zhì)制備及性質(zhì)剖析類實(shí)驗(yàn)題課件15