{"id":90995,"date":"2018-02-10T19:34:00","date_gmt":"2018-02-10T19:34:00","guid":{"rendered":""},"modified":"2023-01-06T20:45:16","modified_gmt":"2023-01-06T20:45:16","slug":"alcoolul-metilic-si-alcoolul-etilic","status":"publish","type":"post","link":"https:\/\/cvnextjob.com\/index.php\/2018\/02\/10\/alcoolul-metilic-si-alcoolul-etilic\/","title":{"rendered":"Alcoolul metilic si alcoolul etilic"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div><h3 class=\"post-title entry-title\" itemprop=\"headline\" style=\"background-color: white; color: #333333; font-family: Oswald, sans-serif; font-size: 20px; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: 1.1; margin: 0px 0px 10px; padding: 0px; position: relative;\"><\/h3>\n<div class=\"post-body entry-content\" id=\"post-body-7864055015916703784\" style=\"background-color: white; color: #555555; font-family: Roboto, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 1.7; margin: 0px; overflow: hidden; padding: 0px; width: 615px;\">Alcooli se obitin din hidrocarburi prin inlocuilrea unu atom de hidrogen co o grupare hidroxil , \uf0beOH.Astfel,metanul CH4,da alcool metilic,CH3OH,iar etanul C2H6,da aclcool etilic C2H5OH. Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. Acesti alcooli au urmatoarle formule H H H \uf0bd \uf0bd \uf0bd H\uf0beC\uf0beO\uf0beH H \uf0beC\uf0beC\uf0beO\uf0beH \uf0bd \uf0bd \uf0bd H H H (Metanol) (Etanol) pentru prepararea alcoolului metilic din metan,metanul este mai intai convertit in clorura de metil cu clor ,cum s-a aratat mai inainte ,iar apoi clorura de metil este transformata in alcool metilic prin tratare cu hidroxid de sodiu: CH3CL+NaOH \uf0ae CH3OH+NaCl Alcoolul metilic se mai prepara prin distilarea lemnului din care cauza se mai numeste si alcool de lemn. Este o substanta otravitoare care, atunci cand este inghitita,produce orbirea apoi moartea,se foloseste ca solvent precum si pentru prepararea altor compus organici Metoda ce a mai importanta ade preparare a alcoolului etilic este prin fermentarea unor zahuri,cu drojdie. Materia prima este deobicei constituita din seminte de cereale sau din melasa. Drojdia produce o enzima care catalizeaza reactia de fermentare.in ecuatia urmatoare,formula C6H12O6 reprezinta compozitia zaharului numit glucoza (dextroza,sau zahar de struguri): C6H12O6 \uf0ae 2CO2 + 2C2H5OH Alcolul etilic este un lichid incolor cu miros caracteristic. Este folosit drept convustibil solvent si dreot materie prima pentru prepararea altor compusi. Berea contine 3-5% alcool vinul 10-12%,iar bauturile distilare cum sunt Whisky-ul,lichiorul sau votca, intre 40-50%( si astia aci nu mai spun in carte dar mai em palinca aia romaneasca care are intre 60-90%) Eterii sunt compusii obtinuti prin reactia dintre doua molecule de alcool reactia de care decurge cu eliminarea apei. Eterul cel mai important dietileterul (etrrul obisnuit . acesta se prepara prin tratarea alcoolului etilic cu acid sulfuric concentrat,care serveste ca agent deshidratant: 2C2H5OH \uf0ae C2H5OC2H5 + H2O H2SO4<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Alcooli se obitin din hidrocarburi prin inlocuilrea unu atom de hidrogen co o grupare hidroxil , \uf0beOH.Astfel,metanul CH4,da alcool metilic,CH3OH,iar etanul C2H6,da aclcool etilic C2H5OH. Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. Acesti alcooli au urmatoarle formule H H H [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-90995","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Alcooli se obitin din hidrocarburi prin inlocuilrea unu atom de hidrogen co o grupare hidroxil , \uf0beOH.Astfel,metanul CH4,da alcool metilic,CH3OH,iar etanul C2H6,da aclcool etilic C2H5OH. Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. Acesti alcooli au urmatoarle formule H H H\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"eurointern28@gmail.com\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/cvnextjob.com\/index.php\/2018\/02\/10\/alcoolul-metilic-si-alcoolul-etilic\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"CVNextJob - International Jobs - Find a job\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Alcoolul metilic si alcoolul etilic - CVNextJob\" \/>\n\t\t<meta property=\"og:description\" content=\"Alcooli se obitin din hidrocarburi prin inlocuilrea unu atom de hidrogen co o grupare hidroxil , \uf0beOH.Astfel,metanul CH4,da alcool metilic,CH3OH,iar etanul C2H6,da aclcool etilic C2H5OH. Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. Acesti alcooli au urmatoarle formule H H H\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/cvnextjob.com\/index.php\/2018\/02\/10\/alcoolul-metilic-si-alcoolul-etilic\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2018-02-10T19:34:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-01-06T20:45:16+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Alcoolul metilic si alcoolul etilic - CVNextJob\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Alcooli se obitin din hidrocarburi prin inlocuilrea unu atom de hidrogen co o grupare hidroxil , \uf0beOH.Astfel,metanul CH4,da alcool metilic,CH3OH,iar etanul C2H6,da aclcool etilic C2H5OH. Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. 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Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. 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Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. Acesti alcooli au urmatoarle formule H H H","og:url":"https:\/\/cvnextjob.com\/index.php\/2018\/02\/10\/alcoolul-metilic-si-alcoolul-etilic\/","article:published_time":"2018-02-10T19:34:00+00:00","article:modified_time":"2023-01-06T20:45:16+00:00","twitter:card":"summary_large_image","twitter:title":"Alcoolul metilic si alcoolul etilic - CVNextJob","twitter:description":"Alcooli se obitin din hidrocarburi prin inlocuilrea unu atom de hidrogen co o grupare hidroxil , \uf0beOH.Astfel,metanul CH4,da alcool metilic,CH3OH,iar etanul C2H6,da aclcool etilic C2H5OH. Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. Acesti alcooli au urmatoarle formule H H H"},"aioseo_meta_data":{"post_id":"90995","title":null,"description":null,"keywords":null,"keyphrases":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2023-01-07 02:02:09","updated":"2026-09-11 10:14:22","focus_keyword":null,"additional_keywords":null,"truseo_locale":null,"primary_term":null,"ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/cvnextjob.com\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/cvnextjob.com\/index.php\/category\/uncategorized\/\" title=\"Uncategorized\">Uncategorized<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tAlcoolul metilic si alcoolul etilic\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/cvnextjob.com"},{"label":"Uncategorized","link":"https:\/\/cvnextjob.com\/index.php\/category\/uncategorized\/"},{"label":"Alcoolul metilic si alcoolul etilic","link":"https:\/\/cvnextjob.com\/index.php\/2018\/02\/10\/alcoolul-metilic-si-alcoolul-etilic\/"}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alcoolul metilic si alcoolul etilic - CVNextJob<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cvnextjob.com\/index.php\/2018\/02\/10\/alcoolul-metilic-si-alcoolul-etilic\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alcoolul metilic si alcoolul etilic - CVNextJob\" \/>\n<meta property=\"og:description\" content=\"Alcooli se obitin din hidrocarburi prin inlocuilrea unu atom de hidrogen co o grupare hidroxil , \uf0beOH.Astfel,metanul CH4,da alcool metilic,CH3OH,iar etanul C2H6,da aclcool etilic C2H5OH. Descori numele alcoolilor se scriu cu terminatia \u201col\u201d Alcoolul metilic poarta denumirea de metanol iar alcoolul etilic poarta de numirea de etanol. 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