Class 10 Exam > Class 10 Questions > Which of the following triads is a Dobereiner...
Start Learning for Free
Which of the following triads is a Dobereiner’s Triad?
- a)N, P, As
- b)S, O, H
- c)Na, Ra, Al
- d)Li, Na, K
Correct answer is option 'D'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
Which of the following triads is a Dobereiner’s Triad?a)N, P, As...
DOBEREINER TRIADS RULE :
In 1817, Johann walfgang dobereiner. A German chemist, arranged the elements is group of three elements and in a manner that the atomic mass of middle element was roughly the average of the atomic masses of the other two elements of the triad.
Example:
In the triad of lithium, sodium and potassium. The atomic mass of lithium is 7 and the atomic mass of potassium is 39. The average of masses of lithium and potassium gives atomic mass of sodium 23.
Most Upvoted Answer
Which of the following triads is a Dobereiner’s Triad?a)N, P, As...
Correct option is D because the average of the sum of the atomic mass of Li and K is the atomic mass of Na.Li - 6 u K - 40 uLi + K = 46 u46 u ×1/2 = 23 u that is atomic mass of Na.
Free Test
FREE
| Start Free Test |
Community Answer
Which of the following triads is a Dobereiner’s Triad?a)N, P, As...
Doberneiner's Law of Triads
When elements with similar properties are taken three at a time and arranged in the ascending order of their atomic weights, the atomic weight of the middle element is the average of the atomic weights of the first and third elements.
When elements with similar properties are taken three at a time and arranged in the ascending order of their atomic weights, the atomic weight of the middle element is the average of the atomic weights of the first and third elements.
Dobereiner’s “triads” (1829): groups of three similar elements: Examples:
- Li, Na, K
- Ca, Sr, Ba
- Cl, Br, I
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 of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect answer is option 'D'. Can you explain this answer?
Question Description
Which of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect 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 of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect 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 of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect answer is option 'D'. Can you explain this answer?.
Which of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect 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 of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect 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 of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Which of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect 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 of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Which of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Which of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Which of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which of the following triads is a Dobereiner’s Triad?a)N, P, Asb)S, O, Hc)Na, Ra, Ald)Li, Na, KCorrect 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
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup