{"id":227369,"date":"2025-06-06T05:33:30","date_gmt":"2025-06-06T05:33:30","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=227369"},"modified":"2025-06-06T05:33:32","modified_gmt":"2025-06-06T05:33:32","slug":"what-is-the-name-of-hno%e2%82%84","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/06\/06\/what-is-the-name-of-hno%e2%82%84\/","title":{"rendered":"What is the name of HNO\u2084"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">What is the name of <strong>HNO\u2084<\/strong>?<br><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The chemical formula <strong>HNO\u2084<\/strong> stands for <strong>pernitric acid<\/strong> (also called <strong>peroxynitric acid<\/strong>).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation <\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HNO\u2084<\/strong>, or pernitric acid, is an oxyacid of nitrogen that contains a <strong>peroxy (-OOH)<\/strong> group. This distinguishes it from other common nitrogen oxoacids like nitric acid (HNO\u2083) and nitrous acid (HNO\u2082).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To understand the naming and structure, let&#8217;s break it down:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Prefix \u201cper-\u201d<\/strong>: In chemical nomenclature, the prefix &#8220;per-&#8221; often indicates a higher oxidation state or an additional oxygen atom compared to a related compound. For example, <strong>HClO\u2084<\/strong> (perchloric acid) has more oxygen than <strong>HClO\u2083<\/strong> (chloric acid).<\/li>\n\n\n\n<li><strong>Peroxynitric Acid vs. Nitric Acid<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Nitric acid (HNO\u2083)<\/strong> contains a nitrogen atom bonded to three oxygen atoms and one hydrogen.<\/li>\n\n\n\n<li><strong>Pernitric acid (HNO\u2084)<\/strong> has one extra oxygen atom, typically forming a peroxy linkage (-O-O-), which makes it less stable and more reactive than nitric acid.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Chemical Structure<\/strong>:<br>The molecule includes a peroxy (-O-OH) functional group attached to a nitrogen center, giving it a chemical structure that can be roughly represented as: CopyEdit<code>HOONO\u2082<\/code> or more formally: mathematicaCopyEdit<code>H-O-O-NO\u2082<\/code> This structure explains its oxidizing properties.<\/li>\n\n\n\n<li><strong>Stability and Use<\/strong>:<br>Pernitric acid is a highly unstable and reactive compound. It is rarely encountered in pure form and is usually studied in solution or generated in situ (within a reaction). It has potential applications in advanced oxidation processes and in atmospheric chemistry, where it may act as an intermediate.<\/li>\n\n\n\n<li><strong>Summary<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Name<\/strong>: Pernitric acid (or peroxynitric acid)<\/li>\n\n\n\n<li><strong>Formula<\/strong>: HNO\u2084<\/li>\n\n\n\n<li><strong>Structure<\/strong>: Contains a peroxy group<\/li>\n\n\n\n<li><strong>Key Property<\/strong>: Strong oxidizer, unstable<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">This compound is important in theoretical and environmental chemistry due to its reactive oxygen species and potential role in oxidative reactions.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner9-71.jpeg\" alt=\"\" class=\"wp-image-227371\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What is the name of HNO\u2084?The Correct Answer and Explanation is: The chemical formula HNO\u2084 stands for pernitric acid (also called peroxynitric acid). Explanation HNO\u2084, or pernitric acid, is an oxyacid of nitrogen that contains a peroxy (-OOH) group. This distinguishes it from other common nitrogen oxoacids like nitric acid (HNO\u2083) and nitrous acid (HNO\u2082). [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-227369","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/227369","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=227369"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/227369\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=227369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=227369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=227369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}