{"id":87738,"date":"2025-06-01T06:53:12","date_gmt":"2025-06-01T06:53:12","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87738"},"modified":"2025-06-01T06:53:12","modified_gmt":"2025-06-01T06:53:12","slug":"in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/","title":{"rendered":"In electrolytic refining of copper, the electrolyte is a solution of"},"content":{"rendered":"<p>In electrolytic refining of copper, the electrolyte is a solution of<\/p>\n<p>[amp_mcq option1=&#8221;acidified copper chloride.&#8221; option2=&#8221;acidified copper sulphate.&#8221; option3=&#8221;potassium chloride.&#8221; option4=&#8221;sodium sulphate.&#8221; correct=&#8221;option2&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC NDA-1 &#8211; 2021<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-1-2021.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-1-2021\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nIn electrolytic refining of copper, the electrolyte is a solution of acidified copper sulphate.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nIn the process of electrolytic refining, impure copper acts as the anode and dissolves as Cu\u00b2\u207a ions, while pure copper acts as the cathode where Cu\u00b2\u207a ions from the electrolyte are deposited. The electrolyte needs to contain Cu\u00b2\u207a ions, which is achieved by using a solution of copper sulfate (CuSO\u2084). Sulfuric acid (H\u2082SO\u2084) is added to the copper sulfate solution to increase its conductivity and prevent the precipitation of copper hydroxide.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nImpurities in the anode that are less reactive than copper (like gold, silver, platinum) settle down as anode mud, while more reactive impurities (like zinc, iron, nickel) dissolve in the electrolyte but do not get deposited on the cathode under controlled voltage.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>In electrolytic refining of copper, the electrolyte is a solution of [amp_mcq option1=&#8221;acidified copper chloride.&#8221; option2=&#8221;acidified copper sulphate.&#8221; option3=&#8221;potassium chloride.&#8221; option4=&#8221;sodium sulphate.&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC NDA-1 &#8211; 2021 Download PDFAttempt Online In electrolytic refining of copper, the electrolyte is a solution of acidified copper sulphate. In the process of electrolytic &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"In electrolytic refining of copper, the electrolyte is a solution of\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/#more-87738\">Detailed Solution<span class=\"screen-reader-text\">In electrolytic refining of copper, the electrolyte is a solution of<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1093],"tags":[1110,1096,1109],"class_list":["post-87738","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1110","tag-chemistry","tag-metals-minerals-ores-properties-uses","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>In electrolytic refining of copper, the electrolyte is a solution of<\/title>\n<meta name=\"description\" content=\"In electrolytic refining of copper, the electrolyte is a solution of acidified copper sulphate. In the process of electrolytic refining, impure copper acts as the anode and dissolves as Cu\u00b2\u207a ions, while pure copper acts as the cathode where Cu\u00b2\u207a ions from the electrolyte are deposited. The electrolyte needs to contain Cu\u00b2\u207a ions, which is achieved by using a solution of copper sulfate (CuSO\u2084). Sulfuric acid (H\u2082SO\u2084) is added to the copper sulfate solution to increase its conductivity and prevent the precipitation of copper hydroxide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In electrolytic refining of copper, the electrolyte is a solution of\" \/>\n<meta property=\"og:description\" content=\"In electrolytic refining of copper, the electrolyte is a solution of acidified copper sulphate. In the process of electrolytic refining, impure copper acts as the anode and dissolves as Cu\u00b2\u207a ions, while pure copper acts as the cathode where Cu\u00b2\u207a ions from the electrolyte are deposited. The electrolyte needs to contain Cu\u00b2\u207a ions, which is achieved by using a solution of copper sulfate (CuSO\u2084). Sulfuric acid (H\u2082SO\u2084) is added to the copper sulfate solution to increase its conductivity and prevent the precipitation of copper hydroxide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:53:12+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"In electrolytic refining of copper, the electrolyte is a solution of","description":"In electrolytic refining of copper, the electrolyte is a solution of acidified copper sulphate. In the process of electrolytic refining, impure copper acts as the anode and dissolves as Cu\u00b2\u207a ions, while pure copper acts as the cathode where Cu\u00b2\u207a ions from the electrolyte are deposited. The electrolyte needs to contain Cu\u00b2\u207a ions, which is achieved by using a solution of copper sulfate (CuSO\u2084). Sulfuric acid (H\u2082SO\u2084) is added to the copper sulfate solution to increase its conductivity and prevent the precipitation of copper hydroxide.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/","og_locale":"en_US","og_type":"article","og_title":"In electrolytic refining of copper, the electrolyte is a solution of","og_description":"In electrolytic refining of copper, the electrolyte is a solution of acidified copper sulphate. In the process of electrolytic refining, impure copper acts as the anode and dissolves as Cu\u00b2\u207a ions, while pure copper acts as the cathode where Cu\u00b2\u207a ions from the electrolyte are deposited. The electrolyte needs to contain Cu\u00b2\u207a ions, which is achieved by using a solution of copper sulfate (CuSO\u2084). Sulfuric acid (H\u2082SO\u2084) is added to the copper sulfate solution to increase its conductivity and prevent the precipitation of copper hydroxide.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:53:12+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/","url":"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/","name":"In electrolytic refining of copper, the electrolyte is a solution of","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:53:12+00:00","dateModified":"2025-06-01T06:53:12+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"In electrolytic refining of copper, the electrolyte is a solution of acidified copper sulphate. In the process of electrolytic refining, impure copper acts as the anode and dissolves as Cu\u00b2\u207a ions, while pure copper acts as the cathode where Cu\u00b2\u207a ions from the electrolyte are deposited. The electrolyte needs to contain Cu\u00b2\u207a ions, which is achieved by using a solution of copper sulfate (CuSO\u2084). Sulfuric acid (H\u2082SO\u2084) is added to the copper sulfate solution to increase its conductivity and prevent the precipitation of copper hydroxide.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/in-electrolytic-refining-of-copper-the-electrolyte-is-a-solution-of\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-1","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-1\/"},{"@type":"ListItem","position":3,"name":"In electrolytic refining of copper, the electrolyte is a solution of"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=87738"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87738\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}