{"id":88960,"date":"2025-06-01T07:25:41","date_gmt":"2025-06-01T07:25:41","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88960"},"modified":"2025-06-01T07:25:41","modified_gmt":"2025-06-01T07:25:41","slug":"what-is-the-action-of-litmus-on-ethanol","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-action-of-litmus-on-ethanol\/","title":{"rendered":"What is the action of litmus on ethanol ?"},"content":{"rendered":"

What is the action of litmus on ethanol ?<\/p>\n

[amp_mcq option1=”Litmus is neutral towards ethanol” option2=”Ethanol turns blue litmus to red; confirming acidic nature of ethanol” option3=”Ethanol turns red litmus to blue; confirming basic nature of ethanol” option4=”Ethanol decolorizes litmus through bleaching action” correct=”option1″]<\/p>\n

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\n
This question was previously asked in<\/div>\n
UPSC NDA-2 – 2023<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nA) Litmus is neutral towards ethanol.
\n<\/section>\n
\n– Litmus is an acid-base indicator. It turns red in acidic solutions (pH < 7) and blue in basic solutions (pH > 7).
\n– Ethanol (C\u2082H\u2085OH) is an alcohol. The -OH group in alcohols is covalently bonded, unlike the ionic hydroxide in strong bases (e.g., NaOH).
\n– Alcohols are generally considered neutral compounds in aqueous solutions. While they can act as very weak acids (donating a proton from the -OH group, especially when reacting with strong bases like alkali metals) or very weak bases (accepting a proton from a strong acid at the oxygen atom), their acidity or basicity is negligible in the context of affecting litmus paper pH indicators.
\n<\/section>\n
\n– Ethanol does not dissociate significantly in water to produce H\u207a ions (acidic) or OH\u207b ions (basic).
\n– Therefore, when litmus paper is placed in ethanol or an aqueous solution of ethanol, its color remains unchanged (red litmus stays red, blue litmus stays blue), indicating a neutral pH.
\n– Ethanol does not possess bleaching properties like chlorine-based compounds.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

What is the action of litmus on ethanol ? [amp_mcq option1=”Litmus is neutral towards ethanol” option2=”Ethanol turns blue litmus to red; confirming acidic nature of ethanol” option3=”Ethanol turns red litmus to blue; confirming basic nature of ethanol” option4=”Ethanol decolorizes litmus through bleaching action” correct=”option1″] This question was previously asked in UPSC NDA-2 – 2023 Download … <\/p>\n

Detailed SolutionWhat is the action of litmus on ethanol ?<\/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":[1105,1459,1096],"class_list":["post-88960","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1105","tag-alcohol","tag-chemistry","no-featured-image-padding"],"yoast_head":"\nWhat is the action of litmus on ethanol ?<\/title>\n<meta name=\"description\" content=\"A) Litmus is neutral towards ethanol. - Litmus is an acid-base indicator. It turns red in acidic solutions (pH < 7) and blue in basic solutions (pH > 7). - Ethanol (C\u2082H\u2085OH) is an alcohol. The -OH group in alcohols is covalently bonded, unlike the ionic hydroxide in strong bases (e.g., NaOH). - Alcohols are generally considered neutral compounds in aqueous solutions. While they can act as very weak acids (donating a proton from the -OH group, especially when reacting with strong bases like alkali metals) or very weak bases (accepting a proton from a strong acid at the oxygen atom), their acidity or basicity is negligible in the context of affecting litmus paper pH indicators.\" \/>\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\/what-is-the-action-of-litmus-on-ethanol\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the action of litmus on ethanol ?\" \/>\n<meta property=\"og:description\" content=\"A) Litmus is neutral towards ethanol. - Litmus is an acid-base indicator. It turns red in acidic solutions (pH < 7) and blue in basic solutions (pH > 7). - Ethanol (C\u2082H\u2085OH) is an alcohol. The -OH group in alcohols is covalently bonded, unlike the ionic hydroxide in strong bases (e.g., NaOH). - Alcohols are generally considered neutral compounds in aqueous solutions. While they can act as very weak acids (donating a proton from the -OH group, especially when reacting with strong bases like alkali metals) or very weak bases (accepting a proton from a strong acid at the oxygen atom), their acidity or basicity is negligible in the context of affecting litmus paper pH indicators.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-action-of-litmus-on-ethanol\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:25:41+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":"What is the action of litmus on ethanol ?","description":"A) Litmus is neutral towards ethanol. - Litmus is an acid-base indicator. 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The -OH group in alcohols is covalently bonded, unlike the ionic hydroxide in strong bases (e.g., NaOH). - Alcohols are generally considered neutral compounds in aqueous solutions. 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