{"id":984,"date":"2023-07-19T20:20:40","date_gmt":"2023-07-19T20:20:40","guid":{"rendered":"https:\/\/chemuza.org\/tr\/krom-trioksit-cro3\/"},"modified":"2023-07-19T20:20:40","modified_gmt":"2023-07-19T20:20:40","slug":"krom-trioksit-cro3","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/krom-trioksit-cro3\/","title":{"rendered":"Krom trioksit \u2013 cro3, 1333-82-0"},"content":{"rendered":"<p>Kromik asit olarak da bilinen krom trioksit, CrO3 form\u00fcl\u00fcne sahip inorganik bir bile\u015fiktir. Kromik asidin asit anhidritidir ve bazen ayn\u0131 isimle pazarlanmaktad\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC Ad\u0131<\/td>\n<td> Krom(VI)oksit<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> CrO3<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 1333-82-0<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> Kromik anhidrit, krom oksit anhidrit, trioksokrom Krom (VI) oksit<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/Cr.3O<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Krom trioksitin \u00f6zellikleri<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> Krom trioksit form\u00fcl\u00fc<\/h3>\n<p> Kromik anhidritin form\u00fcl\u00fc CrO3&#8217;t\u00fcr. \u00dc\u00e7 oksijen atomuna ba\u011fl\u0131 bir krom atomundan olu\u015fur.<\/p>\n<h3 class=\"wp-block-heading\"> Krom Trioksit Molar K\u00fctlesi<\/h3>\n<p> Kromik anhidr\u00fcr\u00fcn molar k\u00fctlesi, krom (Cr) ve oksijen (O) olan kurucu elementlerinin atomik k\u00fctlelerinin eklenmesiyle hesaplan\u0131r. Molar k\u00fctle yakla\u015f\u0131k 99,994 g\/mol&#8217;d\u00fcr.<\/p>\n<h3 class=\"wp-block-heading\"> Krom trioksitin kaynama noktas\u0131<\/h3>\n<p> Kromik anhidritin belirgin bir kaynama noktas\u0131 yoktur. Is\u0131t\u0131ld\u0131\u011f\u0131nda s\u0131v\u0131 faza ge\u00e7meden krom oksit ve oksijen gaz\u0131na ayr\u0131\u015f\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> Krom trioksitin erime noktas\u0131<\/h3>\n<p> Kromik anhidr\u00fcr\u00fcn erime noktas\u0131 yakla\u015f\u0131k 196\u00b0C&#8217;dir. Bu s\u0131cakl\u0131kta kat\u0131 halden s\u0131v\u0131 hale ge\u00e7er.<\/p>\n<h3 class=\"wp-block-heading\"> Krom trioksitin yo\u011funlu\u011fu g\/mL<\/h3>\n<p> Kromik anhidr\u00fcr\u00fcn yo\u011funlu\u011fu yakla\u015f\u0131k 2,7 g\/mL&#8217;dir. Bu de\u011fer, bile\u015fi\u011fin birim hacim ba\u015f\u0131na k\u00fctlesini temsil eder.<\/p>\n<h3 class=\"wp-block-heading\"> Krom Trioksit Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/h3>\n<p> Molar k\u00fctle olarak da adland\u0131r\u0131lan kromik anhidr\u00fcr\u00fcn molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 yakla\u015f\u0131k 99.994 g\/mol&#8217;d\u00fcr. Bile\u015fikteki krom ve oksijen atomlar\u0131n\u0131n atom k\u00fctlelerinin toplam\u0131d\u0131r. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large\"><img decoding=\"async\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/CrO3.jpg\" alt=\"Krom trioksit\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\"> Krom trioksitin yap\u0131s\u0131<\/h3>\n<p> Kromik anhidrit, bir krom atomunun merkezi olarak \u00fc\u00e7 oksijen atomuna ba\u011fland\u0131\u011f\u0131 molek\u00fcler bir yap\u0131ya sahiptir. Merkezde krom atomu ve k\u00f6\u015felerde oksijen atomlar\u0131 bulunan d\u00f6rt y\u00fczl\u00fc bir geometriyi benimser.<\/p>\n<h3 class=\"wp-block-heading\"> Krom trioksitin \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc<\/h3>\n<p> Kromik anhidrit suda olduk\u00e7a \u00e7\u00f6z\u00fcn\u00fcr. Kolayca \u00e7\u00f6z\u00fcn\u00fcr ve bir kromik asit \u00e7\u00f6zeltisi olu\u015fturur. Kromik anhidr\u00fcr\u00fcn sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc, onun \u00e7e\u015fitli kimyasal i\u015flemlerde ve uygulamalarda kullan\u0131lmas\u0131na olanak sa\u011flar.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> D\u0131\u015f g\u00f6r\u00fcn\u00fc\u015f<\/td>\n<td> Koyu k\u0131rm\u0131z\u0131 kristaller<\/td>\n<\/tr>\n<tr>\n<td> Spesifik yer \u00e7ekimi<\/td>\n<td> 2.7g\/ml<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Koyu K\u0131rm\u0131z\u0131<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> Kokusuz<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 99.994 gr\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 2.7g\/ml<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> 196\u00b0C<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> ayr\u0131\u015ft\u0131r\u0131lm\u0131\u015f<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> \u00c7ok \u00e7\u00f6z\u00fcn\u00fcr<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Etanol, eter vb. gibi \u00e7e\u015fitli \u00e7\u00f6z\u00fcc\u00fclerde \u00e7\u00f6z\u00fcn\u00fcr.<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> Asit (\u00e7\u00f6zelti halinde)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Krom trioksitin g\u00fcvenli\u011fi ve tehlikeleri<\/strong><\/h2>\n<p> Kromik anhidrit \u00f6nemli g\u00fcvenlik riskleri olu\u015fturur ve dikkatle kullan\u0131lmal\u0131d\u0131r. Olduk\u00e7a a\u015f\u0131nd\u0131r\u0131c\u0131 ve oksitleyici bir maddedir; ciltte, g\u00f6zlerde ve solunum sisteminde ciddi yan\u0131klara neden olabilir. Kromik anhidr\u00fcr\u00fcn solunmas\u0131 veya yutulmas\u0131 solunum s\u0131k\u0131nt\u0131s\u0131na, mide-ba\u011f\u0131rsak sorunlar\u0131na ve hatta organ hasar\u0131na neden olabilir.<\/p>\n<p> Kromik anhidrit ile \u00e7al\u0131\u015f\u0131rken eldiven, g\u00f6zl\u00fck ve solunum cihaz\u0131 dahil uygun ki\u015fisel koruyucu ekipman (PPE) giyilmelidir. Uyumsuz malzemelerden ve tutu\u015fturucu kaynaklardan uzakta, serin ve kuru bir yerde saklanmal\u0131d\u0131r.<\/p>\n<p> Tehlikeli bir at\u0131k olarak kabul edildi\u011finden, kromik anhidr\u00fcr\u00fcn imhas\u0131 yerel d\u00fczenlemelere uygun olarak ger\u00e7ekle\u015ftirilmelidir. \u00c7evreye sal\u0131nmamal\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> A\u015f\u0131nd\u0131r\u0131c\u0131, Oksitleyici<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> Ciltle, g\u00f6zlerle temas\u0131ndan ve solunmas\u0131ndan ka\u00e7\u0131n\u0131n. Uygun koruyucu ekipman kullan\u0131n.<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> BM 1463<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 2819.90.90<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> 5.1 (Oksitleyici madde)<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> II<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> \u00c7ok zehirli<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Krom trioksit sentez y\u00f6ntemleri<\/strong><\/h2>\n<p> Kromik anhidritin sentezlenmesi i\u00e7in \u00e7e\u015fitli y\u00f6ntemler vard\u0131r.<\/p>\n<p> Yayg\u0131n bir y\u00f6ntem, sodyum dikromat ve <a href=\"https:\/\/chemuza.org\/tr\/sulfurik-asit-vitriol-yagi-h2so4\/\">s\u00fclf\u00fcrik asit<\/a> aras\u0131ndaki reaksiyonu i\u00e7erir. Kontroll\u00fc bir ortamda birisi sodyum dikromat (Na2Cr2O7) ile <a href=\"https:\/\/chemuza.org\/tr\/sulfurik-asit-vitriol-yagi-h2so4\/\">konsantre s\u00fclf\u00fcrik asidi (H2SO4)<\/a> kar\u0131\u015ft\u0131r\u0131r. Reaksiyon, yan \u00fcr\u00fcn olarak koyu k\u0131rm\u0131z\u0131 bir kromik anhidrit (CrO3) ve <a href=\"https:\/\/chemuza.org\/tr\/sodyum-sulfat-na2so4\/\">sodyum s\u00fclfat (Na2SO4)<\/a> \u00e7\u00f6zeltisinin olu\u015fmas\u0131yla sonu\u00e7lan\u0131r.<\/p>\n<p> Ba\u015fka bir y\u00f6ntem, krom(III) bile\u015fiklerinin <a href=\"https:\/\/chemuza.org\/tr\/hidrojen-peroksit-h2o2\/\">, hidrojen peroksit (H2O2)<\/a> veya <a href=\"https:\/\/chemuza.org\/tr\/nitrik-asit-hno3\/\">nitrik asit (HNO3)<\/a> gibi g\u00fc\u00e7l\u00fc oksitleyici maddeler kullan\u0131larak oksidasyonunu i\u00e7erir. Bu i\u015flemde, krom(III)&#8217;\u00fc kromik anhidrite d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in krom(III) bile\u015fi\u011fini oksitleyici maddeyle belirli ko\u015fullar alt\u0131nda kar\u0131\u015ft\u0131r\u0131n.<\/p>\n<p> Metalik krom veya krom(II) bile\u015fiklerini <a href=\"https:\/\/chemuza.org\/tr\/potasyum-permanganat-kmno4\/\">potasyum permanganat (KMnO4)<\/a> veya potasyum dikromat (K2Cr2O7) gibi g\u00fc\u00e7l\u00fc oksitleyici maddelerle reaksiyona sokarak kromik anhidrit haz\u0131rlay\u0131n. Reaksiyon kromik anhidrit olu\u015fumuna yol a\u00e7ar.<\/p>\n<p> Kromik anhidrit sentezinin uygun g\u00fcvenlik \u00f6nlemleriyle ve ilgili d\u00fczenlemelere uygun olarak ger\u00e7ekle\u015ftirilmesi gerekti\u011fine dikkat etmek \u00f6nemlidir. G\u00fcvenli\u011fi sa\u011flamak ve \u00e7evresel etkileri en aza indirmek i\u00e7in deneyimli ki\u015filerin sentez s\u00fcrecini iyi donan\u0131ml\u0131 laboratuvarlarda y\u00fcr\u00fctmesi gerekmektedir.<\/p>\n<h2 class=\"wp-block-heading\"> <strong>Krom Trioksitin Kullan\u0131m Alanlar\u0131<\/strong><\/h2>\n<p> Kromik anhidrit, organik bile\u015fiklerin \u00fcretimi de dahil olmak \u00fczere \u00e7e\u015fitli kimyasal i\u015flemlerde oksitleyici bir madde olarak uygulama alan\u0131 bulur.<\/p>\n<ul>\n<li> \u00dcreticiler bunu krom sar\u0131s\u0131 ve krom ye\u015fili gibi boyalar ve pigmentler \u00fcretmek i\u00e7in kullan\u0131yor.<\/li>\n<li> Elektrokaplama end\u00fcstrisi, kromu metal y\u00fczeylere kaplamak i\u00e7in kullan\u0131r, korozyon direnci ve \u00e7ekici bir g\u00f6r\u00fcn\u00fcm sa\u011flar.<\/li>\n<li> Plastik ve sentetik malzemelerin \u00fcretiminde polimerizasyon reaksiyonlar\u0131 i\u00e7in krom kataliz\u00f6rlerinin haz\u0131rlanmas\u0131nda kullan\u0131l\u0131r.<\/li>\n<li> Farmas\u00f6tiklerin ve organik ara maddelerin sentezinde rol oynar.<\/li>\n<li> Ah\u015fap koruyucu tedaviler, \u00e7\u00fcr\u00fcmeye ve zararl\u0131lara kar\u015f\u0131 koruma sa\u011flamak i\u00e7in onu mantar ilac\u0131 ve b\u00f6cek ilac\u0131 olarak kullan\u0131r.<\/li>\n<li> Laboratuvarlar bunu \u00e7e\u015fitli kimyasal testler ve analizler i\u00e7in reaktif olarak kullan\u0131r.<\/li>\n<li> \u00d6zel cam ve seramik \u00fcretiminde kullan\u0131m\u0131 renkleri ve spesifik \u00f6zellikleri geli\u015ftirir.<\/li>\n<li> Tabaklama end\u00fcstrisi bunu deriyi i\u015flemek, postlar\u0131n stabilize edilmesine ve boyanmas\u0131na yard\u0131mc\u0131 olmak i\u00e7in kullan\u0131r.<\/li>\n<li> Metal y\u00fczeylere y\u00f6nelik temizlik maddelerinin ve y\u00fczey i\u015flemlerinin form\u00fclasyonunda yer alan bir bile\u015fendir.<\/li>\n<\/ul>\n<p> Toksik ve a\u015f\u0131nd\u0131r\u0131c\u0131 yap\u0131s\u0131ndan dolay\u0131 kromik anhidritin dikkatli bir \u015fekilde kullan\u0131lmas\u0131 \u00f6nemlidir. Uygun g\u00fcvenlik protokollerine uygunluk, kullan\u0131m\u0131 ve imhas\u0131 s\u0131ras\u0131nda insanlar\u0131n ve \u00e7evrenin korunmas\u0131n\u0131 sa\u011flar.<\/p>\n<h2 class=\"wp-block-heading\"> <strong>Sorular:<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> S: CrO3 nedir?<\/h3>\n<p> C: CrO3, \u00fc\u00e7 oksijen atomuna ba\u011fl\u0131 bir krom atomundan olu\u015fan bir bile\u015fik olan kromik anhidrittir.<\/p>\n<h3 class=\"wp-block-heading\"> S: CrO3 g\u00fc\u00e7l\u00fc bir oksitleyici madde midir?<\/h3>\n<p> C: Evet, CrO3, \u00e7e\u015fitli bile\u015fiklerin oksidasyonunu kolayla\u015ft\u0131rmak i\u00e7in kimyasal reaksiyonlarda yayg\u0131n olarak kullan\u0131lan g\u00fc\u00e7l\u00fc bir oksitleyici maddedir.<\/p>\n<h3 class=\"wp-block-heading\"> S: CrO3 alkole ne yapar?<\/h3>\n<p> C: CrO3 alkolleri oksitleyebilir ve bunlar\u0131 aldehitler veya ketonlar gibi kar\u015f\u0131l\u0131k gelen karbonil bile\u015fiklerine d\u00f6n\u00fc\u015ft\u00fcrebilir.<\/p>\n<h3 class=\"wp-block-heading\"> S: 1-pentanol\u00fcn CrO3, H2O ve H2SO4 ile reaksiyonundan hangi organik \u00fcr\u00fcn\u00fc elde edersiniz?<\/h3>\n<p> C: Reaksiyon, bir keton olan organik \u00fcr\u00fcn 1-pentanonu verecektir.<\/p>\n<h3 class=\"wp-block-heading\"> S: A\u015fa\u011f\u0131daki d\u00f6n\u00fc\u015f\u00fcm\u00fc ger\u00e7ekle\u015ftirmek i\u00e7in en iyi reaktif se\u00e7imi nedir: PCC, HIO4, CrO3, NaOH?<\/h3>\n<p> C: Bu d\u00f6n\u00fc\u015f\u00fcm i\u00e7in en iyi reaktif se\u00e7imi PCC (piridinyum klorokromat) olacakt\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> S: CrO3 amfoterik midir?<\/h3>\n<p> C: Hay\u0131r, CrO3 amfoterik de\u011fildir. \u00c7ok asidik bir bile\u015fiktir ancak temel \u00f6zellikleri g\u00f6steremez.<\/p>\n<h3 class=\"wp-block-heading\"> S: CrO3&#8217;teki Cr&#8217;nin oksidasyon say\u0131s\u0131 nas\u0131l bulunur?<\/h3>\n<p> C: Cr&#8217;nin CrO3&#8217;teki oksidasyon say\u0131s\u0131 +6&#8217;d\u0131r.<\/p>\n<h3 class=\"wp-block-heading\"> S: CrO3&#8217;\u00fcn ad\u0131 nedir?<\/h3>\n<p> C: CrO3&#8217;\u00fcn ad\u0131 kromik anhidrittir.<\/p>\n<h3 class=\"wp-block-heading\"> S: CrO3 anonik olmayan alkollere ne yapar?<\/h3>\n<p> C: CrO3, anonik olmayan alkolleri oksitleyebilir ve bunlar\u0131, anonik olmayan ketonlar gibi kar\u015f\u0131l\u0131k gelen karbonil bile\u015fiklerine d\u00f6n\u00fc\u015ft\u00fcrebilir.<\/p>\n<h3 class=\"wp-block-heading\"> S: CrO3&#8217;teki ge\u00e7i\u015f metali katyonunun y\u00fck\u00fc nedir?<\/h3>\n<p> C: CrO3&#8217;teki krom olan ge\u00e7i\u015f metali katyonunun y\u00fck\u00fc +6&#8217;d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kromik asit olarak da bilinen krom trioksit, CrO3 form\u00fcl\u00fcne sahip inorganik bir bile\u015fiktir. Kromik asidin asit anhidritidir ve bazen ayn\u0131 isimle pazarlanmaktad\u0131r. IUPAC Ad\u0131 Krom(VI)oksit Molek\u00fcler form\u00fcl CrO3 CAS numaras\u0131 1333-82-0 E\u015f anlaml\u0131 Kromik anhidrit, krom oksit anhidrit, trioksokrom Krom (VI) oksit InChI InChI=1S\/Cr.3O Krom trioksitin \u00f6zellikleri Krom trioksit form\u00fcl\u00fc Kromik anhidritin form\u00fcl\u00fc CrO3&#8217;t\u00fcr. \u00dc\u00e7 &#8230; <a title=\"Krom trioksit \u2013 cro3, 1333-82-0\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/krom-trioksit-cro3\/\" aria-label=\"More on Krom trioksit \u2013 cro3, 1333-82-0\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Krom trioksit - CrO3, 1333-82-0<\/title>\n<meta name=\"description\" content=\"Kromik asit olarak da bilinen krom trioksit, CrO3 form\u00fcl\u00fcne sahip inorganik bir bile\u015fiktir. 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