Class 10 Exam > Class 10 Questions > Which one of the following does not result in...
Start Learning for Free
Which one of the following does not result in the evolution of H2 gas?
- a)Zinc and hydrochloric acid
- b)Iron and sulphuric acid
- c)Magnesium and very dilute nitric acid
- d)Aluminium and nitric acid
Correct answer is option 'D'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
Which one of the following does not result in the evolution of H2 gas?...
- Hydrogen gas is not evolved when there is a reaction between metal and Nitric acid (HNO3)occurs as Nitric acid is a strong oxidizing agent.
- The Hydrogen gas produced during the reaction with metal gets oxidized to H2O, hence no hydrogen gas is produced.
- Instead, it evolves nitric oxides such as NO2,NO etc.
- Example: When a Silver metal reacts with Nitric acid (HNO3)to give N2O and H2O.
Free Test
FREE
| Start Free Test |
Community Answer
Which one of the following does not result in the evolution of H2 gas?...
Explanation:
The reaction between a metal and an acid usually results in the evolution of hydrogen gas. However, there are certain conditions under which this reaction may not occur. In this case, we are given four different reactions and we have to identify which one does not result in the evolution of H2 gas.
Zinc and hydrochloric acid:
When zinc reacts with hydrochloric acid, it undergoes a displacement reaction and produces zinc chloride and hydrogen gas. The balanced chemical equation for this reaction is:
Zn + 2HCl → ZnCl2 + H2
Iron and sulphuric acid:
When iron reacts with sulfuric acid, it also undergoes a displacement reaction and produces iron(II) sulfate and hydrogen gas. The balanced chemical equation for this reaction is:
Fe + H2SO4 → FeSO4 + H2
Magnesium and very dilute nitric acid:
When magnesium reacts with nitric acid, it undergoes a redox reaction and produces magnesium nitrate, nitrogen dioxide gas, and water. The balanced chemical equation for this reaction is:
3Mg + 8HNO3 → 3Mg(NO3)2 + 2NO + 4H2O
Aluminium and nitric acid:
When aluminium reacts with nitric acid, it also undergoes a redox reaction and produces aluminium nitrate, nitrogen dioxide gas, and water. The balanced chemical equation for this reaction is:
2Al + 6HNO3 → 2Al(NO3)3 + 3H2O + 3NO2
From the above equations, we can see that all the reactions except the one involving aluminium and nitric acid result in the evolution of hydrogen gas. Therefore, the correct answer is option 'D' - Aluminium and nitric acid.
The reaction between a metal and an acid usually results in the evolution of hydrogen gas. However, there are certain conditions under which this reaction may not occur. In this case, we are given four different reactions and we have to identify which one does not result in the evolution of H2 gas.
Zinc and hydrochloric acid:
When zinc reacts with hydrochloric acid, it undergoes a displacement reaction and produces zinc chloride and hydrogen gas. The balanced chemical equation for this reaction is:
Zn + 2HCl → ZnCl2 + H2
Iron and sulphuric acid:
When iron reacts with sulfuric acid, it also undergoes a displacement reaction and produces iron(II) sulfate and hydrogen gas. The balanced chemical equation for this reaction is:
Fe + H2SO4 → FeSO4 + H2
Magnesium and very dilute nitric acid:
When magnesium reacts with nitric acid, it undergoes a redox reaction and produces magnesium nitrate, nitrogen dioxide gas, and water. The balanced chemical equation for this reaction is:
3Mg + 8HNO3 → 3Mg(NO3)2 + 2NO + 4H2O
Aluminium and nitric acid:
When aluminium reacts with nitric acid, it also undergoes a redox reaction and produces aluminium nitrate, nitrogen dioxide gas, and water. The balanced chemical equation for this reaction is:
2Al + 6HNO3 → 2Al(NO3)3 + 3H2O + 3NO2
From the above equations, we can see that all the reactions except the one involving aluminium and nitric acid result in the evolution of hydrogen gas. Therefore, the correct answer is option 'D' - Aluminium and nitric acid.
Attention Class 10 Students!
To make sure you are not studying endlessly, EduRev has designed Class 10 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 10.
|
Explore Courses for Class 10 exam
|
|
Top Courses for Class 10View all
Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer?
Question Description
Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer?.
Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 10.
Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free.
Here you can find the meaning of Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which one of the following does not result in the evolution of H2 gas?a)Zinc and hydrochloric acidb)Iron and sulphuric acidc)Magnesium and very dilute nitric acidd)Aluminium and nitric acidCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 10 tests.
|
|
Explore Courses for Class 10 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup