{"id":5379,"date":"2024-04-15T02:12:30","date_gmt":"2024-04-15T02:12:30","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5379"},"modified":"2024-04-15T02:12:30","modified_gmt":"2024-04-15T02:12:30","slug":"which-of-the-following-is-the-correct-match-a-alkine-cnh2n-2-alkyne-cnh2n-alkane-cnh2n-2-b-alkyne-cnh2n-alkane-cnh2n-2-alkine-cnh2n-2-c-alkine-cnh2n-alkane-cnh2n-2-alkyne","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-the-correct-match-a-alkine-cnh2n-2-alkyne-cnh2n-alkane-cnh2n-2-b-alkyne-cnh2n-alkane-cnh2n-2-alkine-cnh2n-2-c-alkine-cnh2n-alkane-cnh2n-2-alkyne\/","title":{"rendered":"Which of the following is the correct match? A. Alkine: CnH2n &#8211; 2, Alkyne: CnH2n, Alkane: CnH2n + 2 B. Alkyne: CnH2n, Alkane: CnH2n + 2, Alkine: CnH2n &#8211; 2 C. Alkine: CnH2n, Alkane: CnH2n + 2, Alkyne: CnH2n &#8211; 2 D. Alkine: CnH2n, Alkyne: CnH2n + 2, Alkane: CnH2n &#8211; 2"},"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_6a9a611ac9314\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    Alkine: CnH2n - 2, Alkyne: CnH2n, Alkane: CnH2n + 2                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Alkyne: CnH2n, Alkane: CnH2n + 2, Alkine: CnH2n - 2                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Alkine: CnH2n, Alkane: CnH2n + 2, Alkyne: CnH2n - 2                <\/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: <strong>A. Alkine: CnH2n &#8211; 2, Alkyne: CnH2n, Alkane: CnH2n + 2<\/strong><\/p>\n<p>An alkane is a hydrocarbon that contains only carbon and hydrogen atoms and is saturated, meaning that it has all of its carbon atoms bonded to the maximum number of hydrogen atoms possible. The general formula for an alkane is CnH2n+2, where n is the number of carbon atoms in the molecule.<\/p>\n<p>An alkene is a hydrocarbon that contains at least one double bond between carbon atoms. The general formula for an alkene is CnH2n, where n is the number of carbon atoms in the molecule.<\/p>\n<p>An alkyne is a hydrocarbon that contains at least one triple bond between carbon atoms. The general formula for an alkyne is CnH2n-2, where n is the number of carbon atoms in the molecule.<\/p>\n<p>Therefore, the correct match is:<\/p>\n<ul>\n<li>Alkine: CnH2n &#8211; 2<\/li>\n<li>Alkyne: CnH2n<\/li>\n<li>Alkane: CnH2n + 2<\/li>\n<\/ul>\n<p>Here is a table that summarizes the general formulas for alkanes, alkenes, and alkynes:<\/p>\n<p>| Hydrocarbon | General formula |<br \/>\n|&#8212;|&#8212;|<br \/>\n| Alkane | CnH2n+2 |<br \/>\n| Alkene | CnH2n |<br \/>\n| Alkyne | CnH2n-2 |<\/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":[637],"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>Which of the following is the correct match? A. Alkine: CnH2n - 2, Alkyne: CnH2n, Alkane: CnH2n + 2 B. Alkyne: CnH2n, Alkane: CnH2n + 2, Alkine: CnH2n - 2 C. Alkine: CnH2n, Alkane: CnH2n + 2, Alkyne: CnH2n - 2 D. Alkine: CnH2n, Alkyne: CnH2n + 2, Alkane: CnH2n - 2<\/title>\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\/which-of-the-following-is-the-correct-match-a-alkine-cnh2n-2-alkyne-cnh2n-alkane-cnh2n-2-b-alkyne-cnh2n-alkane-cnh2n-2-alkine-cnh2n-2-c-alkine-cnh2n-alkane-cnh2n-2-alkyne\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which of the following is the correct match? A. Alkine: CnH2n - 2, Alkyne: CnH2n, Alkane: CnH2n + 2 B. Alkyne: CnH2n, Alkane: CnH2n + 2, Alkine: CnH2n - 2 C. Alkine: CnH2n, Alkane: CnH2n + 2, Alkyne: CnH2n - 2 D. 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A. Alkine: CnH2n - 2, Alkyne: CnH2n, Alkane: CnH2n + 2 B. Alkyne: CnH2n, Alkane: CnH2n + 2, Alkine: CnH2n - 2 C. Alkine: CnH2n, Alkane: CnH2n + 2, Alkyne: CnH2n - 2 D. Alkine: CnH2n, Alkyne: CnH2n + 2, Alkane: CnH2n - 2","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\/which-of-the-following-is-the-correct-match-a-alkine-cnh2n-2-alkyne-cnh2n-alkane-cnh2n-2-b-alkyne-cnh2n-alkane-cnh2n-2-alkine-cnh2n-2-c-alkine-cnh2n-alkane-cnh2n-2-alkyne\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following is the correct match? A. Alkine: CnH2n - 2, Alkyne: CnH2n, Alkane: CnH2n + 2 B. Alkyne: CnH2n, Alkane: CnH2n + 2, Alkine: CnH2n - 2 C. Alkine: CnH2n, Alkane: CnH2n + 2, Alkyne: CnH2n - 2 D. 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