{"id":5103,"date":"2024-04-15T02:08:01","date_gmt":"2024-04-15T02:08:01","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5103"},"modified":"2024-04-15T02:08:01","modified_gmt":"2024-04-15T02:08:01","slug":"yellow-colour-of-usual-nitric-acid-is-due-to-the-presence-of-which-one-of-the-following-a-n2o-b-no-c-n2o5-d-no2","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/yellow-colour-of-usual-nitric-acid-is-due-to-the-presence-of-which-one-of-the-following-a-n2o-b-no-c-n2o5-d-no2\/","title":{"rendered":"Yellow colour of usual nitric acid is due to the presence of which one of the following? A. N2O B. NO C. N2O5 D. NO2"},"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_6a9995744b6fc\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    N2O                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    NO                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    N2O5                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\r\n                    NO2                <\/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 D. NO2.<\/p>\n<p>Nitric acid is a strong acid that is commonly used in laboratories <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                <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> and industry. It is a colorless liquid that turns yellow when it is exposed to air. The yellow color is due to the presence of nitrogen dioxide, NO2. Nitrogen dioxide is a gas that is formed when nitric acid reacts with oxygen in the air. It is a poisonous gas that can cause respiratory problems.<\/p>\n<p>The other options are incorrect. N2O is nitrous oxide, a colorless gas that is used as an anesthetic. NO is nitric oxide, a colorless gas that is produced by the body and plays a role in blood circulation. N2O5 is dinitrogen pentoxide, a white solid that is used as a fertilizer.<\/p>\n<p>Here is a more detailed explanation of each option:<\/p>\n<ul>\n<li>N2O is nitrous oxide, a colorless gas that is used as an anesthetic. It is also known as laughing gas because it can cause people to laugh when they inhale it. Nitrous oxide is not responsible for the yellow color of nitric acid.<\/li>\n<li>NO is nitric oxide, a colorless gas that is produced by the body and plays a role in blood circulation. It is also a free radical, which means that it has an unpaired electron. Nitric oxide is not responsible for the yellow color of nitric acid.<\/li>\n<li>N2O5 is dinitrogen pentoxide, a white solid that is used as a fertilizer. It is also known as nitric anhydride. N2O5 is not responsible for the yellow color of nitric acid.<\/li>\n<li>NO2 is nitrogen dioxide, a gas that is formed when nitric acid reacts with oxygen in the air. It is a <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> poisonous gas that can cause respiratory problems. Nitrogen dioxide is responsible for the yellow color of nitric acid.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>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":[636],"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>Yellow colour of usual nitric acid is due to the presence of which one of the following? A. N2O B. NO C. N2O5 D. 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