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GCE JAN 2011 : (AS 1) Basic Concepts in Physical and Inorganic Chemistry - Revised

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED SUBSIDIARY (AS) General Certificate of Education January 2011 Ceimic Aonad Meas naithe AS 1 ag meas n Bunchoincheapa i gCeimic Fhisiceach agus Org nach [AC111] D ARDAOIN 13 EAN IR, MAIDIN AM 1 uair 30 n im ad. TREOIR D IARRTH IR Scr obh d Uimhir L rionaid agus d Uimhir Iarrth ra sna sp sanna chuige sin ag barr an leathanaigh seo. Freagair gach ceann de na s cheist d ag. Freagair gach ceann de na deich gceist i Roinn A. Taifead do chuid freagra tr d an litir chu a mharc il ar an leath n freagra at ar f il. N h s id ach na sp sanna at uimhrithe 1 go 10. Coinnigh an seiceamh agus t ag freagairt na gceisteanna. Freagair gach ceann de na s cheist i Roinn B. Scr obh do fhreagra sna sp sanna chuige sin sa scr dph ip ar seo. FAISN IS D IARRTH IR Is 100 an marc ioml n don ph ip ar seo. Meas n far caighde n na cumars ide scr ofa i gceist 14(d). T an marc c anna ag dul do na ceisteanna uilig i Roinn A, .i. dh mharc do gach ceist. I Roinn B l ir onn na figi ir idir l ib n ar thaobh na l imhe deise de leathanach an marc at ag dul do gach ceist n do chuid de cheist. T T bla Peiriadach na nD l (roinnt sonra san ireamh) ar f il. 6781.02 Don Scr daitheoir amh in Uimhir Marcanna Ceiste Roinn A 1 10 Roinn B 11 12 13 14 15 16 Marc Ioml n Roinn A I gc s gach ceann de na ceisteanna seo a leanas n l ach ceann amh in de na freagra litreach (A D) ceart. Roghnaigh an freagra ceart i ngach c s agus marc il a ch dlitir tr na poncanna a cheangal mar at l irithe ar an leath n freagra . 1 C n ceann acu seo th os a l ir onn adamh ina bhfuil l on na bpr t n n os m n l on na neodr n? A B C D 2 2H. 3He. 10B. 39K. C n ceann acu seo a leanas ar cur s os ceart ar thrasdulta leictreonacha i sraith thugtha sa speictream ast ch in adamhach de hidrigin? A Tosa onn siad uilig n bhunstaid. B Cr ochna onn siad uilig ag an bhunstaid. C Tosa onn siad uilig leibh al fuinnimh ar leith. D Cr ochna onn siad uilig ag leibh al fuinnimh ar leith. 3 C n ceann acu seo a leanas a liosta onn na ch ad fhuinnimh ian ch in (ina kJ mol 1) de na d ile maign isiam, al manam, sileacan, fosfar agus sulfar san ord seo? A 496 B 577 C 736 D 786 6781.02 736 786 577 1060 577 1060 786 1000 786 1000 1060 1260 1060 1260 1000 1520 2 [Turn over 4 Anseo th os t an speictream maise de chl ir n m il neach, Cl2. T buaic bhreise, n r ch ir a bheith ann, i l thair sa speictream. C n ceann de na buaiceanna seo a leanas n r ch ir a bheith i l thair? 35 70 71 72 74 37 m/e A 35 B 71 C 72 D 74 5 Le nn solad go gasta ag 100 101 C. N sheolann s leictreachas nuair at s le ite, fi . Tuaslagann s i dtuaslag ir hidreacarb in. C n ceann acu seo a leanas at ag an solad? A strucht r adamhach. B strucht r ollchomhfhi sach. C strucht r ianach. D strucht r comhfhi sach m il neach. 6 C n ceann de na hidr d g sacha seo a leanas a dhianscaoileann go r idh ina dh ile nuair a thagann s i dteagmh il le slat the ghloine? A am inia B fluair d hidrigine C iaid d hidrigine D gal 6781.02 3 [Tiontaigh an leathanach 7 Is hidr d mh il neach d arsanaic airs n, AsH3, at i nGr pa V den T bla Peiriadach. C n ceann acu seo a leanas arb strucht r airs n sa staid ghaile? A B H As As H H H H Nascuillinneacha n os m n 109.5 Nascuillinneacha 120 C D As H As H H H Nascuillinneacha n os l n 109.5 8 H H H Nascuillinneacha 109.5 C n ceann acu seo th os a dh anann 50 cm3 de 0.20 mol dm 3 d aig ad sulfarach a neodr go beacht? A 100 cm3 de 0.40 mol dm 3 de thuaslag n hiodrocsa d photaisiam. B 25 cm3 de 0.20 mol dm 3 de thuaslag n hiodrocsa d photaisiam. C 50 cm3 de 0.20 mol dm 3 de thuaslag n hiodrocsa d photaisiam. D 100 cm3 de 0.20 mol dm 3 de thuaslag n hiodrocsa d photaisiam. 9 C n ceann acu seo th os a l ir onn an l on leictreon a bhfuil an mhais ch anna acu, go neasach, is at ag pr t n? A 20 B 200 C 2000 D 20000 10 C n ceann acu seo th os nach ocsa d pholach ? A CO B CO2 C H2 O D NO 6781.02 4 [Turn over Roinn B Scr daitheoir Amh in Marcanna Athmharc Freagair gach ceann de na s cheist sa roinn seo. 11 T d -ocsa d n trigine, NO2, ar cheann de na comhbhaill i dtoitcheo f taiceimiceach. Is 305 kJ mol 1 an fuinneamh a bh onn de dh th leis an mh il n seo a dh thioms ina mh il n NO agus ina adaimh O. s id na ceannteidil seo a leanas le minic ocht na rada ochta a bh onn de dh th don d thioms seo a r omh. (a) Tiontaigh 305 kJ ina ghi il _____________________________________________________ [1] (b) R omh an l on gi l a bh onn de dh th le m il n amh in de dh -ocsa d n trigine a dh thioms . _____________________________________________________ [1] (c) s id an chothrom id E = hf leis an luach i ngi il a thiont ina mhinic ocht agus luaigh na haonaid. _______________________________________________________ _____________________________________________________ [1] 6781.02 5 [Tiontaigh an leathanach 12 Is an mianra beiril, Be3Al2Si6O18, an phr omhfhoinse at ann do bheirilliam. C go bhfuil mianra eile ann a bhfuil n os m beirilliam iontu, t siad gann agus costasach. Scr daitheoir Amh in Marcanna Athmharc (a) R omh an c atad n, de r ir maise, de bheirilliam at i mbeiril. _______________________________________________________ _______________________________________________________ _____________________________________________________ [3] (b) Faightear an miotal beirilliam tr cheachtar acu measc n comhle ite de bheirilliam agus de chl ir d potaisiam a leictreal ag 350 C n tr fhluair d bheirilliam a dh -ocsa di le maign isiam. (i) Scr obh cothrom id le haghaidh foirmi beirilliam iain bheirilliam. _________________________________________________ [1] (ii) Scr obh cothrom id le haghaidh foirmi beirilliam dh -ocsa di fluair d bheirilliam le maign isiam. _________________________________________________ [1] (c) De gn th b onn n os m air onna saini la ag an ch ad d il i nGr pa n mar a bh onn ag na d ile eile sa Ghr pa. Is minic gurb an difear i leictridhi ltachta is c is leis seo. Anseo th os t luachanna leictridhi ltachta na nd l i nGr pa II. Be luach leictridhi ltachta Mg Ca Sr Ba uimhir adamhach (i) M nigh an chiall at leis an t arma leictridhi ltacht. ___________________________________________________ _________________________________________________ [2] 6781.02 6 [Turn over (ii) Agus leictridhi ltacht in s id, luaigh cad chuige ar m il n comhfhi sach cl ir d bheirilliam agus ar m il n ianach cl ir d bhairiam. Scr daitheoir Amh in Marcanna Athmharc ___________________________________________________ _________________________________________________ [2] (iii) Luaigh dh air fhisiceacha a d fh adfa a s id le hidirdheal a dh anamh idir an d chl ir d seo. ___________________________________________________ _________________________________________________ [2] (d) Is f idir cl ir d bheirilliam a ullmh tr chl ir n n chl ir d hidrigine a imoibri ar an mhiotal. (i) Scr obh an chothrom id d imoibri beirilliam le cl ir d hidrigine. _________________________________________________ [1] (ii) Tarraing l ar id phoncanna agus chrois lena thaispe int cad mar a dh antar cl ir d bheirilliam bheirilliam agus adaimh chl ir n. N h s id ach na leictreoin sheachtracha de gach adamh. [3] (iii) Luaigh riail an ochtr id. ___________________________________________________ _________________________________________________ [2] (iv) Is f idir a r go gcomhl onann cl ir d bheirilliam riail an ochtr id agus nach gcomhl onann s riail an ochtr id. M nigh an br agn seo. ___________________________________________________ _________________________________________________ [2] 6781.02 7 [Tiontaigh an leathanach (v) Tarraing an cruth at ar mh il n cl ir d bheirilliam. Scr daitheoir Amh in Marcanna Athmharc [1] (vi) Luaigh an cruth at ar an mh il n cl ir d bheirilliam. _________________________________________________ [1] (vii) M nigh an cruth at ar an mh il n cl ir d bheirilliam. ___________________________________________________ _________________________________________________ [2] 6781.02 8 [Turn over 13 D anann cl ir n sraith d osca d . T cuid de na hocsa d luaite anseo th os. aonocsa d chl ir n ClO2 heicsocsa d chl ir n Cl2O6 heaptocsa d chl ir n Marcanna Athmharc Cl2O d -ocsa d chl ir n Scr daitheoir Amh in Cl2O7 (a) s id uimhir ocsa di ch in cl ir n leis an ainm c rasach a fh il do heaptocsa d chl ir n. _____________________________________________________ [1] (b) Tuaslagann d -ocsa d chl ir n in uisce agus d antar tuaslag n a dh anfaidh measc n d aig ad cl rach agus d aig id hidreacl racha ar deireadh. 6ClO2 + 3H2O 5HClO3 + HCl Na hadaimh chl ir n i nd -ocsa d chl ir n, tarla onn d r iri ch n d ibh san imoibri seo. (i) M nigh an chiall at leis an t arma d r iri ch n. ___________________________________________________ _________________________________________________ [1] (ii) R omh uimhir ocsa di ch in cl ir n in imoibre n agus i dt irg an imoibrithe seo agus s id iad lena dheimhni gur imoibri d r iri ch in an t-imoibri . ___________________________________________________ ___________________________________________________ _________________________________________________ [3] 6781.02 9 [Tiontaigh an leathanach (c) Tuaslagann g s cl ir n in uisce sa mh id go dtuaslagfaidh 0.8 g in 100 cm3 ag br an atmaisf ir agus 20 C. Scr daitheoir Amh in Marcanna Athmharc (i) R omh m laracht an uisce chl ir n, Cl2 (aq), a th irgtear. ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (ii) Ainmnigh tuaslag ir eile a dtuaslagfaidh cl ir n go r idh ann. _________________________________________________ [1] 6781.02 10 [Turn over 14 Cuireadh turgnamh i dtreoir le fiosr a dh anamh ar imoibrithe d l ithri ch in na hailigin . Scr daitheoir Amh in Marcanna Athmharc Ullmha odh tuaslag in de hail d s idiam agus rinneadh iad a imoibri le hailigin eile. T t bla na dtortha anseo th os. iaid d s idiam (aq) tuaslag n iaid n br im d s idiam (aq) X cl ir d s idiam (aq) X tuaslag n br im n tuaslag n cl ir n cuireann s in i l go raibh imoibri ann X cuireann s in i l nach raibh imoibri ann (a) Comhl naigh na 3 it at f gtha sa t bla. [2] (b) (i) T an tuaslag n br im n agus an tuaslag n iaid n araon daite. Cuir s os ar na breathnuithe a chuirfeadh in i l go raibh imoibri ann nuair a cuireadh iaid d s idiam uisc le tuaslag n br im n. ___________________________________________________ _________________________________________________ [2] (ii) Scr obh an chothrom id ianach don imoibri idir tuaslag n br im n agus iaid d s idiam uisc . _________________________________________________ [1] (c) (i) Cuir s os ar a mb onn le feice il nuair a chuirtear tuaslag n cl ir n le br im d s idiam uisc . ___________________________________________________ _________________________________________________ [2] (ii) Scr obh an chothrom id don imoibri idir tuaslag n cl ir n agus br im d s idiam uisc . _________________________________________________ [1] 6781.02 11 [Tiontaigh an leathanach (d) Abair gur dhoirt t tuaslag in d iaid d s idiam, de bhr im d s idiam agus de chl ir d s idiam isteach in eascra A, B agus C agus go ndearna t dearmad iad a lip ad . Cuir s os ar an d igh, agus n otr it airgid uisc agus tuaslag n caol am inia agus tuaslag n tiubhaithe am inia araon in s id agat, a mbeadh a fhios agat c n salann s idiam a bh i ngach ceann de na heascra . Caithfear gach ceann de na heascra a th st il. Scr daitheoir Amh in Marcanna Athmharc _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [6] Caighde n na cumars ide scr ofa 6781.02 [2] 12 [Turn over 15 Anseo th os t strucht r oighir. T na m il n uisce gcoinne il le ch ile ag naisc hidrigine ar cine l f rsa idirmh il neach iad. Scr daitheoir Amh in Marcanna Athmharc (a) Ainmnigh dh chine l eile d fh rsa idirmh il neach. _____________________________________________________ [2] (b) (i) M nigh an d igh a dtarla onn nascadh hidrigine idir na m il n uisce in oighear. ___________________________________________________ _________________________________________________ [2] (ii) M nigh, agus an strucht r thuas in s id agat, cad chuige nach bhfuil oighear chomh dl th c anna le huisce. ___________________________________________________ ___________________________________________________ _________________________________________________ [2] (c) C go dtig le huisce naisc hidrigine a dh anamh, n dh anann s slabhra fada de phol-uisce ag teocht an tseomra. Sa staid leachtach, fach, d anann m il n , amhail fluair d hidrigine, slabhra iontach gairid. Luaigh cad chuige nach nd anann uisce slabhra nuair a dh anann fluair d hidrigine leachtach slabhra . _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] 6781.02 13 [Tiontaigh an leathanach (d) Is substaint eile am inia a thig leis naisc hidrigine a dh anamh. T strucht r pirimidi il ag am inia, fach. Scr daitheoir Amh in Marcanna Athmharc (i) Tarraing dh mh il n am inia agus taispe in an nasc hidrigine idir an d mh il n. [2] (ii) Nuair a imoibr onn am inia le hian hidrigine n bh onn s balta naisc hidrigine a dh anamh n os m . M nigh cad chuige. ___________________________________________________ _________________________________________________ [1] (e) M nigh cad chuige a bhfuil am inia iontach intuaslagtha in uisce. _______________________________________________________ _____________________________________________________ [2] 6781.02 14 [Turn over 16 T litiam ann sa d lra mar dh iseat p 6Li agus 7Li. Taispe nann an t bla seo th os comhdh anamh litiam i nd lra. iseat p 7.42 litiam 7 Marcanna Athmharc % fl irse litiam 6 Scr daitheoir Amh in 92.58 (a) Tarraing an strucht r at ar adamh 7Li agus lip adaigh na c ithn n fo-adamhacha uilig. [3] (b) Luaigh agus m nigh c acu de na bloic s, p n d lena mbaineann litiam. _______________________________________________________ _____________________________________________________ [2] (c) R omh mais adamhach choibhneasta litiam ceart go dt dh ionad de dheach lacha. _______________________________________________________ _______________________________________________________ _____________________________________________________ [3] 6781.02 15 [Tiontaigh an leathanach (d) Tuaslagann sulf it litiam go r idh in uisce agus criostala onn s n tuaslag n mar hiodr it. Scr daitheoir Amh in Marcanna Athmharc (i) M nigh an chiall at leis an t arma uisce criostal ch in. ___________________________________________________ _________________________________________________ [1] (ii) Scr obh an fhoirmle do shulf it litiam ainhidri il. _________________________________________________ [1] (iii) R omh an fhoirmle do shulf it litiam hiodr itithe m th irgeann 3.76 g den salann litiam hiodr itithe 3.23 g de shulf it litiam ainhidri il arna th amh. ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [3] (e) Is f idir sulf it litiam a s id i dt st il lasrach. M nigh an d igh a nd anfa t st il lasrach agus luaigh an dath a mbeif ag s il leis a bheith ar an lasair. _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [4] SEO DEIREADH AN SCR DPH IP IR 6781.02 16 [Turn over Cuireadh isteach ar chead chun an t- bhar c ipchirt uile a at irgeadh. I gc sanna irithe is f idir n r irigh le CCEA teagmh il a dh anamh le h in ir c ipchirt agus beidh s s sta na hadmh lacha sin a f gadh ar l r a chur ina gceart amach anseo ach a chur ar an eolas. 6781.02

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Additional Info : Gce Chemistry January 2011 Assessment Unit AS 1 Basic Concepts in Physical and Inorganic Chemistry - Revised (Irish Medium)
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