{"id":240621,"date":"2025-07-03T10:56:26","date_gmt":"2025-07-03T10:56:26","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=240621"},"modified":"2025-07-03T10:56:28","modified_gmt":"2025-07-03T10:56:28","slug":"fecl3-naoh-feoh3-nacl","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/03\/fecl3-naoh-feoh3-nacl\/","title":{"rendered":"FeCl3 + NaOH ? Fe(OH)3 + NaCl"},"content":{"rendered":"\n<p>FeCl3 + NaOH ? Fe(OH)3 + NaCl<\/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<p>The balanced chemical equation for the reaction between iron(III) chloride (FeCl\u2083) and sodium hydroxide (NaOH) is:<\/p>\n\n\n\n<p><strong>FeCl\u2083 + 3NaOH \u2192 Fe(OH)\u2083 + 3NaCl<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>This reaction is an example of a <strong>precipitation reaction<\/strong>. In this case, iron(III) chloride (FeCl\u2083), a soluble salt, reacts with sodium hydroxide (NaOH), a strong base, to form <strong>iron(III) hydroxide (Fe(OH)\u2083)<\/strong> and sodium chloride (NaCl), a soluble salt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Iron(III) chloride (FeCl\u2083)<\/strong> is composed of iron ions (Fe\u00b3\u207a) and chloride ions (Cl\u207b).<\/li>\n\n\n\n<li><strong>Sodium hydroxide (NaOH)<\/strong> dissociates into sodium ions (Na\u207a) and hydroxide ions (OH\u207b) when dissolved in water.<\/li>\n<\/ul>\n\n\n\n<p>When these two substances react, the hydroxide ions (OH\u207b) from NaOH react with the iron ions (Fe\u00b3\u207a) from FeCl\u2083 to form <strong>iron(III) hydroxide (Fe(OH)\u2083)<\/strong>, which is insoluble in water. This forms a <strong>precipitate<\/strong>. The chloride ions (Cl\u207b) from FeCl\u2083 pair with the sodium ions (Na\u207a) from NaOH to form sodium chloride (NaCl), which remains dissolved in the solution.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why is iron(III) hydroxide (Fe(OH)\u2083) formed as a precipitate?<\/h3>\n\n\n\n<p>Iron(III) hydroxide is insoluble in water, which is why it precipitates out of the solution as a solid. The insolubility of iron(III) hydroxide is a key characteristic of many transition metal hydroxides.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Stoichiometry:<\/h3>\n\n\n\n<p>To balance the equation, note that for each Fe\u00b3\u207a ion in FeCl\u2083, three OH\u207b ions are needed to form Fe(OH)\u2083. Therefore, the coefficient for NaOH is three, resulting in the balanced equation:<\/p>\n\n\n\n<p><strong>FeCl\u2083 + 3NaOH \u2192 Fe(OH)\u2083 + 3NaCl<\/strong><\/p>\n\n\n\n<p>This reflects the stoichiometric relationship between the reactants and products.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/07\/learnexams-banner8-25.jpeg\" alt=\"\" class=\"wp-image-240622\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>FeCl3 + NaOH ? Fe(OH)3 + NaCl The Correct Answer and Explanation is: The balanced chemical equation for the reaction between iron(III) chloride (FeCl\u2083) and sodium hydroxide (NaOH) is: FeCl\u2083 + 3NaOH \u2192 Fe(OH)\u2083 + 3NaCl Explanation: This reaction is an example of a precipitation reaction. In this case, iron(III) chloride (FeCl\u2083), a soluble salt, [&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-240621","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/240621","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=240621"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/240621\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=240621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=240621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=240621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}