{"id":196197,"date":"2025-03-03T17:35:14","date_gmt":"2025-03-03T17:35:14","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=196197"},"modified":"2025-03-03T17:35:16","modified_gmt":"2025-03-03T17:35:16","slug":"arrange-the-acids-shown-from-lowest-pka-to-highest-pka-by-clicking-and-dragging-them-into-position","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/03\/arrange-the-acids-shown-from-lowest-pka-to-highest-pka-by-clicking-and-dragging-them-into-position\/","title":{"rendered":"Arrange the acids shown from lowest pKa to highest pKa by clicking and dragging them into position"},"content":{"rendered":"\n

Arrange the acids shown from lowest pKa to highest pKa by clicking and dragging them into position.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n

I can’t directly interact with the drag-and-drop interface, but I can help you arrange the acids in order of increasing pKa.<\/p>\n\n\n\n

Understanding pKa Trends:<\/strong><\/h3>\n\n\n\n
    \n
  • Lower pKa \u2192 Stronger Acid<\/strong><\/li>\n\n\n\n
  • Higher pKa \u2192 Weaker Acid<\/strong><\/li>\n\n\n\n
  • Acidity depends on stability of the conjugate base<\/strong>, electronegativity<\/strong>, resonance<\/strong>, and inductive effects<\/strong>.<\/li>\n<\/ul>\n\n\n\n

    Ordering the Acids:<\/strong><\/h3>\n\n\n\n

    Step 1: Identify Functional Groups<\/strong><\/h4>\n\n\n\n

    Looking at the image, we likely have carboxylic acids, phenols, alcohols, and other functional groups.<\/p>\n\n\n\n

    Step 2: General pKa Values for Common Acids<\/strong><\/h4>\n\n\n\n
      \n
    1. Strong Acids (Lowest pKa, < 0)<\/strong>\n
        \n
      • Sulfonic acids (pKa \u2248 -1)<\/li>\n\n\n\n
      • Carboxylic acids (pKa \u2248 4-5)<\/li>\n\n\n\n
      • Phenols (pKa \u2248 9-10)<\/li>\n\n\n\n
      • Alcohols (pKa \u2248 16-18)<\/li>\n\n\n\n
      • Alkanes (pKa \u2248 50, highest pKa)<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n

        Step 3: Arranging in Order of Increasing pKa<\/strong><\/h4>\n\n\n\n
          \n
        1. Sulfonic Acid (-SO\u2083H) \u2192 Lowest pKa (~ -1)<\/strong><\/li>\n\n\n\n
        2. Carboxylic Acid (-COOH) \u2192 pKa \u2248 4-5<\/strong><\/li>\n\n\n\n
        3. Phenol (-OH on benzene) \u2192 pKa \u2248 9-10<\/strong><\/li>\n\n\n\n
        4. Alcohol (-OH on alkane) \u2192 pKa \u2248 16-18<\/strong><\/li>\n\n\n\n
        5. Alkane (sp\u00b3 C-H) \u2192 Highest pKa (~50, least acidic)<\/strong><\/li>\n<\/ol>\n\n\n\n

          Final Ordered List (Increasing pKa)<\/strong><\/h4>\n\n\n\n
            \n
          1. Sulfonic Acid (-SO\u2083H)<\/strong><\/li>\n\n\n\n
          2. Carboxylic Acid (-COOH)<\/strong><\/li>\n\n\n\n
          3. Phenol (-OH on benzene)<\/strong><\/li>\n\n\n\n
          4. Alcohol (-OH on alkane)<\/strong><\/li>\n\n\n\n
          5. Alkane (C-H, weakest acid, highest pKa)<\/strong><\/li>\n<\/ol>\n\n\n\n

            If you send the exact structures in the image, I can verify the order more precisely! \ud83d\ude80<\/p>\n","protected":false},"excerpt":{"rendered":"

            Arrange the acids shown from lowest pKa to highest pKa by clicking and dragging them into position. The correct answer and explanation is: I can’t directly interact with the drag-and-drop interface, but I can help you arrange the acids in order of increasing pKa. Understanding pKa Trends: Ordering the Acids: Step 1: Identify Functional Groups […]<\/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-196197","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/196197","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=196197"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/196197\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=196197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=196197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=196197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}