| ⇦ | 
| ⇨ |
When conc. H₂SO₄ is added to dry KNO₃, brown fumes are evolved. These fumes are of
Options
(a) SO₂
(b) SO₃
(c) NO
(d) NO₂
Correct Answer:
NO₂
Explanation:
When heated with conc. H₂SO₄ potassium nitrate undergoes double decomposition reaction forming free nitric acid. Some of the nitric acid gets decomposed to give brown fumes of nitrogen dioxide. KNO₃ + H₂SO₄ → KHSO₄ + HNO₃. 4HNO₃ → 4NO₂ + 2H₂O + O₂.
Related Questions: - Which of the following will not displace hydrogen
- The normality of 10 volume hydrogen peroxide is
- What is the equivalent weight of SnCl₂ in the following reaction
- Which of the following orders of ionic radii is correctly represented
- Which of the following is correct relationship
Topics: P Block Elements in Group 15
(89)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following will not displace hydrogen
- The normality of 10 volume hydrogen peroxide is
- What is the equivalent weight of SnCl₂ in the following reaction
- Which of the following orders of ionic radii is correctly represented
- Which of the following is correct relationship
Topics: P Block Elements in Group 15 (89)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply