{"id":251924,"date":"2025-07-11T03:56:03","date_gmt":"2025-07-11T03:56:03","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=251924"},"modified":"2025-07-11T03:56:05","modified_gmt":"2025-07-11T03:56:05","slug":"which-statement-is-true-about-hydrogen-bonds-and-water-molecules","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/11\/which-statement-is-true-about-hydrogen-bonds-and-water-molecules\/","title":{"rendered":"Which statement is TRUE about hydrogen bonds and water molecules"},"content":{"rendered":"\n

Which statement is TRUE about hydrogen bonds and water molecules? Hydrogen bonds are a weak attraction between two hydrogen atoms Hydrogen bonds are a weak attraction between two different molecules of water Hydrogen bonds are a strong bond between a hydrogen atom and an oxygen atom in one molecule of water Hydrogen bonds are a weak attraction between atoms within one molecule of water<\/p>\n\n\n\n

The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n

The true statement about hydrogen bonds and water molecules is:
Hydrogen bonds are a weak attraction between two different molecules of water.<\/strong><\/p>\n\n\n\n

Explanation:<\/h3>\n\n\n\n

Water (H\u2082O) molecules have a unique ability to form hydrogen bonds due to the polarity of the water molecule. A water molecule consists of two hydrogen atoms covalently bonded to a central oxygen atom. The oxygen atom is more electronegative than hydrogen, meaning it pulls the shared electrons closer to itself, creating a partial negative charge on the oxygen and a partial positive charge on the hydrogen atoms.<\/p>\n\n\n\n

Because of this polarity, the positively charged hydrogen atom of one water molecule is attracted to the negatively charged oxygen atom of another water molecule. This interaction is known as a hydrogen bond. It’s not a true chemical bond (like covalent bonds) but rather a weak intermolecular force. These hydrogen bonds are responsible for many of the unique properties of water, such as its high boiling point, surface tension, and the ability to dissolve a wide range of substances.<\/p>\n\n\n\n

Why the other statements are false:<\/strong><\/p>\n\n\n\n

    \n
  1. “Hydrogen bonds are a weak attraction between two hydrogen atoms”<\/strong> \u2013 This is incorrect. A hydrogen bond involves the attraction between a hydrogen atom (which is covalently bonded to an electronegative atom, like oxygen) and another electronegative atom (like oxygen), not between two hydrogen atoms.<\/li>\n\n\n\n
  2. “Hydrogen bonds are a strong bond between a hydrogen atom and an oxygen atom in one molecule of water”<\/strong> \u2013 This is incorrect. The bond between the hydrogen and oxygen atoms within a water molecule is a covalent bond, which is much stronger than a hydrogen bond. Hydrogen bonds occur between molecules, not within a single molecule.<\/li>\n\n\n\n
  3. “Hydrogen bonds are a weak attraction between atoms within one molecule of water”<\/strong> \u2013 This is incorrect. Again, within one water molecule, the attraction between the hydrogen and oxygen atoms is a covalent bond, not a hydrogen bond. Hydrogen bonds form between different water molecules.<\/li>\n<\/ol>\n\n\n\n

    Therefore, the correct understanding is that hydrogen bonds form between different water molecules<\/strong>, and they are responsible for water’s cohesive and adhesive properties.<\/p>\n\n\n\n

    \"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

    Which statement is TRUE about hydrogen bonds and water molecules? Hydrogen bonds are a weak attraction between two hydrogen atoms Hydrogen bonds are a weak attraction between two different molecules of water Hydrogen bonds are a strong bond between a hydrogen atom and an oxygen atom in one molecule of water Hydrogen bonds are a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-251924","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/251924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=251924"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/251924\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=251924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=251924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=251924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}