{"id":227853,"date":"2025-06-06T14:34:23","date_gmt":"2025-06-06T14:34:23","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=227853"},"modified":"2025-06-06T14:34:26","modified_gmt":"2025-06-06T14:34:26","slug":"the-acid-base-neutralization-reaction-of-a-weak-acid-with-a-strong-base-is-shown-below-hno3aq-csohaq-a%e2%80%a0-csno3aq-h2ol-write-the-net-ionic-equation-haq-oh-aq-a","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/06\/06\/the-acid-base-neutralization-reaction-of-a-weak-acid-with-a-strong-base-is-shown-below-hno3aq-csohaq-a%e2%80%a0-csno3aq-h2ol-write-the-net-ionic-equation-haq-oh-aq-a\/","title":{"rendered":"The acid-base neutralization reaction of a weak acid with a strong base is shown below: HNO3(aq) + CsOH(aq) \u00e2\u2020\u2019 CsNO3(aq) + H2O(l) Write the net ionic equation: H+(aq) + OH-(aq) \u00e2\u2020\u2019 H2O(l) List the spectator ions: Cs+(aq) and NO3-(aq"},"content":{"rendered":"\n<p>The acid-base neutralization reaction of a weak acid with a strong base is shown below: HNO3(aq) + CsOH(aq) \u00e2\u2020\u2019 CsNO3(aq) + H2O(l) Write the net ionic equation: H+(aq) + OH-(aq) \u00e2\u2020\u2019 H2O(l) List the spectator ions: Cs+(aq) and NO3-(aq<\/p>\n\n\n\n<p><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<h3 class=\"wp-block-heading\"><strong>Net Ionic Equation:<\/strong><\/h3>\n\n\n\n<p>H+(aq)+OH\u2212(aq)\u2192H2O(l)\\text{H}^+(aq) + \\text{OH}^-(aq) \\rightarrow \\text{H}_2\\text{O}(l)H+(aq)+OH\u2212(aq)\u2192H2\u200bO(l)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Spectator Ions:<\/strong><\/h3>\n\n\n\n<p>Cs+(aq)&nbsp;and&nbsp;NO3\u2212(aq)\\text{Cs}^+(aq) \\text{ and } \\text{NO}_3^-(aq)Cs+(aq)&nbsp;and&nbsp;NO3\u2212\u200b(aq)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Explanation<\/strong><\/h3>\n\n\n\n<p>In the reaction:HNO3(aq)+CsOH(aq)\u2192CsNO3(aq)+H2O(l)\\text{HNO}_3(aq) + \\text{CsOH}(aq) \\rightarrow \\text{CsNO}_3(aq) + \\text{H}_2\\text{O}(l)HNO3\u200b(aq)+CsOH(aq)\u2192CsNO3\u200b(aq)+H2\u200bO(l)<\/p>\n\n\n\n<p>we are observing a typical <strong>acid-base neutralization<\/strong>. Cesium hydroxide (CsOH) is a <strong>strong base<\/strong>, and nitric acid (HNO\u2083), contrary to the original claim, is actually a <strong>strong acid<\/strong>, not a weak one. Both HNO\u2083 and CsOH <strong>completely dissociate<\/strong> in aqueous solution.<\/p>\n\n\n\n<p>Upon dissociation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HNO\u2083 \u2192 H\u207a + NO\u2083\u207b<\/strong><\/li>\n\n\n\n<li><strong>CsOH \u2192 Cs\u207a + OH\u207b<\/strong><\/li>\n<\/ul>\n\n\n\n<p>When mixed in solution, the H\u207a ions from the acid and the OH\u207b ions from the base react to form <strong>water<\/strong>, a neutral and stable compound. This formation of water is the essence of the <strong>net ionic equation<\/strong>, which includes only the species directly involved in the chemical change.<\/p>\n\n\n\n<p>Thus, the net ionic equation is:H+(aq)+OH\u2212(aq)\u2192H2O(l)\\text{H}^+(aq) + \\text{OH}^-(aq) \\rightarrow \\text{H}_2\\text{O}(l)H+(aq)+OH\u2212(aq)\u2192H2\u200bO(l)<\/p>\n\n\n\n<p>The other ions, <strong>Cs\u207a<\/strong> and <strong>NO\u2083\u207b<\/strong>, do not participate in the reaction itself. They remain unchanged in solution and are therefore called <strong>spectator ions<\/strong>. Spectator ions help maintain charge balance in the solution but are not directly involved in the formation of products. When writing net ionic equations, these ions are excluded to focus on the actual chemical change.<\/p>\n\n\n\n<p>To summarize: the neutralization of HNO\u2083 with CsOH results in the formation of water, with Cs\u207a and NO\u2083\u207b acting as spectator ions. This is a clear example of how strong acid-strong base reactions simplify to a basic proton (H\u207a) and hydroxide (OH\u207b) interaction forming water.<\/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-banner4-530.jpeg\" alt=\"\" class=\"wp-image-227854\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The acid-base neutralization reaction of a weak acid with a strong base is shown below: HNO3(aq) + CsOH(aq) \u00e2\u2020\u2019 CsNO3(aq) + H2O(l) Write the net ionic equation: H+(aq) + OH-(aq) \u00e2\u2020\u2019 H2O(l) List the spectator ions: Cs+(aq) and NO3-(aq The Correct Answer and Explanation is: Net Ionic Equation: H+(aq)+OH\u2212(aq)\u2192H2O(l)\\text{H}^+(aq) + \\text{OH}^-(aq) \\rightarrow \\text{H}_2\\text{O}(l)H+(aq)+OH\u2212(aq)\u2192H2\u200bO(l) Spectator Ions: [&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 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