{"id":163668,"date":"2024-11-09T05:05:07","date_gmt":"2024-11-09T05:05:07","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=163668"},"modified":"2024-11-09T05:05:10","modified_gmt":"2024-11-09T05:05:10","slug":"in-the-buffer-solution","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/11\/09\/in-the-buffer-solution\/","title":{"rendered":"In the buffer solution"},"content":{"rendered":"\n<p>In the buffer solution<br>A)<\/p>\n\n\n\n<p>CH3CO2H is a base, and H3O+ is its conjugate acid.<\/p>\n\n\n\n<p>B)<\/p>\n\n\n\n<p>H3O+ is an acid, and CH3CO2 \u2013 is its conjugate base.<\/p>\n\n\n\n<p>C)<\/p>\n\n\n\n<p>H3O+ is an acid, and CH3CO2H is its conjugate base.<\/p>\n\n\n\n<p>D)<\/p>\n\n\n\n<p>CH3CO2H is an acid, and CH3CO2 \u2013 is its conjugate base.<\/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<p>The correct answer is:<\/p>\n\n\n\n<p><strong>D) CH3CO2H is an acid, and CH3CO2\u2013 is its conjugate base.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>A buffer solution contains a weak acid and its conjugate base, or a weak base and its conjugate acid. The main function of a buffer is to resist changes in pH when small amounts of acid or base are added.<\/p>\n\n\n\n<p>In this case, <strong>CH3CO2H<\/strong> (acetic acid) is a weak acid, and <strong>CH3CO2\u2013<\/strong> (acetate ion) is its conjugate base. Here&#8217;s how this works:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Acetic Acid (CH3CO2H)<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Acetic acid is a weak acid, meaning it only partially dissociates in water:<br>[<br>\\text{CH3CO2H} \\rightleftharpoons \\text{CH3CO2}^- + \\text{H}^+<br>]<\/li>\n\n\n\n<li>When acetic acid donates a proton (H\u207a), it forms the acetate ion (CH3CO2\u2013). Therefore, acetic acid acts as the acid in this system.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Acetate Ion (CH3CO2\u2013)<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The acetate ion (CH3CO2\u2013) is the conjugate base of acetic acid. This means it can accept a proton (H\u207a) to reform acetic acid:<br>[<br>\\text{CH3CO2}^- + \\text{H}^+ \\rightleftharpoons \\text{CH3CO2H}<br>]<\/li>\n\n\n\n<li>In the context of a buffer, the acetate ion helps neutralize added acids (H\u207a), preventing a significant decrease in pH.<\/li>\n<\/ul>\n\n\n\n<p>In a buffer solution of acetic acid and acetate, the equilibrium between acetic acid and acetate maintains a relatively constant pH. If a small amount of acid (H\u207a) is added, the acetate ion will absorb it, shifting the equilibrium to produce more acetic acid and minimizing the pH change. Similarly, if a small amount of base (OH\u207b) is added, acetic acid will donate a proton to neutralize it, again maintaining the pH.<\/p>\n\n\n\n<p>Thus, acetic acid (CH3CO2H) is the acid, and acetate (CH3CO2\u2013) is its conjugate base in this buffer system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the buffer solutionA) CH3CO2H is a base, and H3O+ is its conjugate acid. B) H3O+ is an acid, and CH3CO2 \u2013 is its conjugate base. C) H3O+ is an acid, and CH3CO2H is its conjugate base. D) CH3CO2H is an acid, and CH3CO2 \u2013 is its conjugate base. The Correct Answer and Explanation is [&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-163668","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/163668","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=163668"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/163668\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=163668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=163668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=163668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}