{"id":202147,"date":"2025-03-17T08:20:50","date_gmt":"2025-03-17T08:20:50","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=202147"},"modified":"2025-03-17T08:20:52","modified_gmt":"2025-03-17T08:20:52","slug":"which-of-the-following-occurs-when-hcl-is-added-to-a-budder-containing-ch33n-and-ch33nh","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/17\/which-of-the-following-occurs-when-hcl-is-added-to-a-budder-containing-ch33n-and-ch33nh\/","title":{"rendered":"Which of the following occurs when HCl is added to a budder containing (CH3)3N and (CH3)3NH+"},"content":{"rendered":"\n<p>Which of the following occurs when HCl is added to a budder containing (CH3)3N and (CH3)3NH+?<\/p>\n\n\n\n<p>The concentraion of (CH3)3N will increase.<\/p>\n\n\n\n<p>The concentraion of (CH3)3NH+ will increase<\/p>\n\n\n\n<p>The concentraion of (CH3)3N will decrease.<\/p>\n\n\n\n<p>The concentraion of (CH3)3NH+ will decrease.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Correct Answer:<\/h3>\n\n\n\n<p><strong>The concentration of (CH\u2083)\u2083NH\u207a will increase.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>A buffer solution containing <strong>(CH\u2083)\u2083N (trimethylamine)<\/strong> and its conjugate acid <strong>(CH\u2083)\u2083NH\u207a (trimethylammonium ion)<\/strong> follows the principles of the Henderson-Hasselbalch equation, which describes how a buffer resists changes in pH upon the addition of an acid or base.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 1: Understanding the Buffer Components<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>(CH\u2083)\u2083N (Trimethylamine)<\/strong> is a weak base.<\/li>\n\n\n\n<li><strong>(CH\u2083)\u2083NH\u207a (Trimethylammonium ion)<\/strong> is its conjugate acid.<\/li>\n\n\n\n<li>The buffer maintains pH by shifting equilibrium:<br>[<br>(CH\u2083)\u2083N + H^+ \\rightleftharpoons (CH\u2083)\u2083NH^+<br>]<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 2: Effect of Adding HCl<\/strong><\/h4>\n\n\n\n<p>Hydrochloric acid (HCl) is a strong acid and dissociates completely into <strong>H\u207a<\/strong> and <strong>Cl\u207b<\/strong> in solution. When HCl is added to the buffer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The excess <strong>H\u207a<\/strong> ions react with <strong>(CH\u2083)\u2083N<\/strong> to form <strong>(CH\u2083)\u2083NH\u207a<\/strong> (conjugate acid).<\/li>\n\n\n\n<li>This shifts the equilibrium to the right, increasing the concentration of <strong>(CH\u2083)\u2083NH\u207a<\/strong> while decreasing the concentration of <strong>(CH\u2083)\u2083N<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 3: Answering the Question<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The concentration of (CH\u2083)\u2083NH\u207a will increase<\/strong> \u2705 (correct)<\/li>\n\n\n\n<li><strong>The concentration of (CH\u2083)\u2083N will decrease<\/strong> (also true, but not listed as the main answer choice)<\/li>\n\n\n\n<li><strong>The concentration of (CH\u2083)\u2083N will increase<\/strong> \u274c (incorrect; it reacts with H\u207a)<\/li>\n\n\n\n<li><strong>The concentration of (CH\u2083)\u2083NH\u207a will decrease<\/strong> \u274c (incorrect; it forms more of this ion)<\/li>\n<\/ul>\n\n\n\n<p>Thus, the correct answer is: <strong>The concentration of (CH\u2083)\u2083NH\u207a will increase<\/strong> because the added HCl shifts the equilibrium to form more of the conjugate acid.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following occurs when HCl is added to a budder containing (CH3)3N and (CH3)3NH+? The concentraion of (CH3)3N will increase. The concentraion of (CH3)3NH+ will increase The concentraion of (CH3)3N will decrease. The concentraion of (CH3)3NH+ will decrease. The correct answer and explanation is : Correct Answer: The concentration of (CH\u2083)\u2083NH\u207a will increase. [&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-202147","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/202147","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=202147"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/202147\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=202147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=202147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=202147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}