Question

What were the limitations of Newlands’ Law of Octaves?​

Answer 1

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Limitations of Newlands’ Law of Octaves are as follows:-

●Newlands’ Law of Octaves applicable to elements up to Calcium

●Newland assumed there are 56 elements in the nature and no more elements would be discovered in the future.

●To fit elements into table Newland put two elements into one slot. Newland introduced unlike elements with different properties into one column.

●Iron (Fe) was placed away from elements that resembles in properties.

Ex: Nickel and cobalt

Answer 2

Answer:

Newland could arrange elements only up to calcium, out of the total 56 elements known. After calcium, every eighth element did not possess properties similar to that of the first. Only 56 elements were known at the time of Newlands, but later several elements were discovered.

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