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Question
Did Dobereiner's triads also exist in the columns of Newlands' law of octaves? Explain your answer.
Solution
Yes, Dobereiner's triads also existed in the columns of Newlands' law of octaves. This can be explained by taking the second column of the Newlands' classification of elements as an example. The second column has the elements lithium (Li), sodium (Na) and potassium (K), which form a Dobereiner's triad.
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RELATED QUESTIONS
State Newlands‘ Law of Octaves.
What were the limitations of Newlands’ Law of Octaves?
Fill in the following blank with suitable word:
According to Newland's classification of elements, the properties of sulphur are similar to those of oxygen because sulphur is the ............... element starting from oxygen.
The Newland's law of octaves for the classification of elements was not found to be applicable only up to the element:
(a) potassium
(b) calcium
(c) cobalt
(d) phosphorus
A part of the early classification of elements has been given below:
| H | Li | Be | B | C | N | O |
| F | Na | Mg | Al | Si | P | S |
(a) Which law of classification of element is illustrated by the above arrangement of elements?
(b) Name the scientist who proposed such a classification of elements.
(c) Why is such a classification of elements compared with a characteristics of musical scale?
(d) State one limitation of this classification of elements.
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In which way was Newland’s Law of Octaves comparable to a musical note.
Select the correct answer from the options given below.
He arranged elements in increasing order of atomic numbers.
Element A and B follows Newland’s octaves rule. How many elements are there in between A and B?
The similarity between the properties of the first and eighth elements is called the octave rule.
