{"id":23858,"date":"2024-04-15T06:39:10","date_gmt":"2024-04-15T06:39:10","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=23858"},"modified":"2024-04-15T06:39:10","modified_gmt":"2024-04-15T06:39:10","slug":"in-the-electroplating-of-gold-the-electrolyte-used-is-a-gold-chloride-b-gold-nitrate-c-gold-sulphate-d-potassium-aurocyanide","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-the-electroplating-of-gold-the-electrolyte-used-is-a-gold-chloride-b-gold-nitrate-c-gold-sulphate-d-potassium-aurocyanide\/","title":{"rendered":"In the electroplating of gold, the electrolyte used is A. Gold chloride B. Gold nitrate C. Gold sulphate D. Potassium aurocyanide"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9a08689116e\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    Gold chloride                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Gold nitrate                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Gold sulphate                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Potassium aurocyanide                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is A. Gold chloride.<\/p>\n<p>Gold chloride is a chemical compound with the formula AuCl3. It is a yellow, water-soluble solid that is used in electroplating, photography, and as a catalyst. Gold chloride is prepared by dissolving gold in aqua regia, which is a mixture of nitric acid and hydrochloric acid.<\/p>\n<p>Gold nitrate is a chemical compound with the formula Au(NO3)3. It is a yellow, water-soluble solid that is used in electroplating, photography, and as a catalyst. Gold nitrate is prepared by dissolving gold in nitric acid.<\/p>\n<p>Gold sulphate is a chemical compound with the formula Au2(SO4)3. It is a yellow, water-soluble solid that is used in electroplating, photography, and as a catalyst. Gold sulphate is prepared by dissolving gold in sulphuric acid.<\/p>\n<p>Potassium aurocyanide is a chemical compound with the formula K[Au(CN)2]. It is a yellow, water-soluble solid that is used in electroplating, photography, and as a catalyst. Potassium aurocyanide is prepared by dissolving gold in potassium cyanide.<\/p>\n<p>In electroplating, a metal is deposited on a <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n     <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div>            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> surface by passing an electric current through a solution containing ions of the metal to be deposited. The metal ions are attracted to the cathode, where they are reduced to the metal. The anode, which is made of the same metal as the cathode, is dissolved, providing more metal ions for the solution.<\/p>\n<p>The electrolyte used in electroplating must be a good conductor of electricity and must contain ions of the metal to be deposited. Gold chloride, gold nitrate, gold sulphate, and potassium aurocyanide are all good conductors of electricity and contain ions of gold. However, gold chloride is the most commonly used electrolyte in electroplating because it is the most stable and least expensive.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"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 the electroplating of gold, the electrolyte used is A. Gold chloride B. Gold nitrate C. Gold sulphate D. 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