{"id":88986,"date":"2025-06-01T07:26:16","date_gmt":"2025-06-01T07:26:16","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88986"},"modified":"2025-06-01T07:26:16","modified_gmt":"2025-06-01T07:26:16","slug":"which-among-the-following-statements-with-respect-to-carbon-is-are-cor","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/","title":{"rendered":"Which among the following statements with respect to carbon is\/are cor"},"content":{"rendered":"<p>Which among the following statements with respect to carbon is\/are correct ?<\/p>\n<ul>\n<li>1. Carbon forms the basis for all living organisms and many things we use<\/li>\n<li>2. Carbon shows tetra-valency and the property of catenation<\/li>\n<li>3. Carbon forms covalent bonds with itself and other elements<\/li>\n<li>4. Carbon forms compounds containing triple and tetra bonds between carbon atoms<\/li>\n<\/ul>\n<p>Select the correct answer using the code given below :<\/p>\n<p>[amp_mcq option1=&#8221;1 only&#8221; option2=&#8221;1 and 2 only&#8221; option3=&#8221;1, 2 and 3&#8243; option4=&#8221;2 and 4&#8243; correct=&#8221;option3&#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-2 &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-2-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-2-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nStatements 1, 2, and 3 are correct. Carbon forms the backbone of all organic life and is present in countless materials we use (statement 1). Carbon has four valence electrons, allowing it to form four covalent bonds (tetra-valency), and it can bond with itself to form long chains or rings (catenation) (statement 2). Carbon forms covalent bonds not only with itself but also with other elements like hydrogen, oxygen, nitrogen, etc. (statement 3). Statement 4 is incorrect; carbon forms single, double, and triple bonds with other carbon atoms but not stable tetra (quadruple) bonds in typical organic chemistry contexts.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nCarbon&#8217;s unique properties of tetra-valency and catenation, and its ability to form strong covalent bonds, are fundamental to organic chemistry and the diversity of carbon compounds. Carbon forms single, double, and triple bonds, but not quadruple bonds, between carbon atoms in stable molecules.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe vast number of carbon compounds makes organic chemistry a distinct branch of chemistry. Catenation is particularly strong in carbon, enabling the formation of complex molecular structures. While theoretical studies have explored the possibility of quadruple bonds in some exotic carbon species, they are not characteristic of carbon bonds in everyday substances.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which among the following statements with respect to carbon is\/are correct ? 1. Carbon forms the basis for all living organisms and many things we use 2. Carbon shows tetra-valency and the property of catenation 3. Carbon forms covalent bonds with itself and other elements 4. Carbon forms compounds containing triple and tetra bonds between &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which among the following statements with respect to carbon is\/are cor\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/#more-88986\">Detailed Solution<span class=\"screen-reader-text\">Which among the following statements with respect to carbon is\/are cor<\/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":[1094],"tags":[1105,1368,1096],"class_list":["post-88986","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1105","tag-carbon-and-its-various-forms","tag-chemistry","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>Which among the following statements with respect to carbon is\/are cor<\/title>\n<meta name=\"description\" content=\"Statements 1, 2, and 3 are correct. Carbon forms the backbone of all organic life and is present in countless materials we use (statement 1). Carbon has four valence electrons, allowing it to form four covalent bonds (tetra-valency), and it can bond with itself to form long chains or rings (catenation) (statement 2). Carbon forms covalent bonds not only with itself but also with other elements like hydrogen, oxygen, nitrogen, etc. (statement 3). Statement 4 is incorrect; carbon forms single, double, and triple bonds with other carbon atoms but not stable tetra (quadruple) bonds in typical organic chemistry contexts. Carbon&#039;s unique properties of tetra-valency and catenation, and its ability to form strong covalent bonds, are fundamental to organic chemistry and the diversity of carbon compounds. Carbon forms single, double, and triple bonds, but not quadruple bonds, between carbon atoms in stable molecules.\" \/>\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-among-the-following-statements-with-respect-to-carbon-is-are-cor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which among the following statements with respect to carbon is\/are cor\" \/>\n<meta property=\"og:description\" content=\"Statements 1, 2, and 3 are correct. Carbon forms the backbone of all organic life and is present in countless materials we use (statement 1). Carbon has four valence electrons, allowing it to form four covalent bonds (tetra-valency), and it can bond with itself to form long chains or rings (catenation) (statement 2). Carbon forms covalent bonds not only with itself but also with other elements like hydrogen, oxygen, nitrogen, etc. (statement 3). Statement 4 is incorrect; carbon forms single, double, and triple bonds with other carbon atoms but not stable tetra (quadruple) bonds in typical organic chemistry contexts. Carbon&#039;s unique properties of tetra-valency and catenation, and its ability to form strong covalent bonds, are fundamental to organic chemistry and the diversity of carbon compounds. Carbon forms single, double, and triple bonds, but not quadruple bonds, between carbon atoms in stable molecules.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:26:16+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":"Which among the following statements with respect to carbon is\/are cor","description":"Statements 1, 2, and 3 are correct. Carbon forms the backbone of all organic life and is present in countless materials we use (statement 1). Carbon has four valence electrons, allowing it to form four covalent bonds (tetra-valency), and it can bond with itself to form long chains or rings (catenation) (statement 2). Carbon forms covalent bonds not only with itself but also with other elements like hydrogen, oxygen, nitrogen, etc. (statement 3). Statement 4 is incorrect; carbon forms single, double, and triple bonds with other carbon atoms but not stable tetra (quadruple) bonds in typical organic chemistry contexts. Carbon's unique properties of tetra-valency and catenation, and its ability to form strong covalent bonds, are fundamental to organic chemistry and the diversity of carbon compounds. Carbon forms single, double, and triple bonds, but not quadruple bonds, between carbon atoms in stable molecules.","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-among-the-following-statements-with-respect-to-carbon-is-are-cor\/","og_locale":"en_US","og_type":"article","og_title":"Which among the following statements with respect to carbon is\/are cor","og_description":"Statements 1, 2, and 3 are correct. Carbon forms the backbone of all organic life and is present in countless materials we use (statement 1). Carbon has four valence electrons, allowing it to form four covalent bonds (tetra-valency), and it can bond with itself to form long chains or rings (catenation) (statement 2). Carbon forms covalent bonds not only with itself but also with other elements like hydrogen, oxygen, nitrogen, etc. (statement 3). Statement 4 is incorrect; carbon forms single, double, and triple bonds with other carbon atoms but not stable tetra (quadruple) bonds in typical organic chemistry contexts. Carbon's unique properties of tetra-valency and catenation, and its ability to form strong covalent bonds, are fundamental to organic chemistry and the diversity of carbon compounds. Carbon forms single, double, and triple bonds, but not quadruple bonds, between carbon atoms in stable molecules.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:26:16+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\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/","name":"Which among the following statements with respect to carbon is\/are cor","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:26:16+00:00","dateModified":"2025-06-01T07:26:16+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Statements 1, 2, and 3 are correct. Carbon forms the backbone of all organic life and is present in countless materials we use (statement 1). Carbon has four valence electrons, allowing it to form four covalent bonds (tetra-valency), and it can bond with itself to form long chains or rings (catenation) (statement 2). Carbon forms covalent bonds not only with itself but also with other elements like hydrogen, oxygen, nitrogen, etc. (statement 3). Statement 4 is incorrect; carbon forms single, double, and triple bonds with other carbon atoms but not stable tetra (quadruple) bonds in typical organic chemistry contexts. Carbon's unique properties of tetra-valency and catenation, and its ability to form strong covalent bonds, are fundamental to organic chemistry and the diversity of carbon compounds. Carbon forms single, double, and triple bonds, but not quadruple bonds, between carbon atoms in stable molecules.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-statements-with-respect-to-carbon-is-are-cor\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-2\/"},{"@type":"ListItem","position":3,"name":"Which among the following statements with respect to carbon is\/are cor"}]},{"@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\/88986","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=88986"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/88986\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=88986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=88986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=88986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}