Question

what were the disadvantages of doberneiner law
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Answer 1

Answer:

Dobereiner could identify only three triads. He was not able to prepare triads of all the known elements. All the known elements could not be arranged in the form of triads. For very low mass or for very high mass elements, the law was not holding good.

Answer 2

• Dobereiner could find only three triads; . i.e total of 9 elements only.
• However the total number of elements were more than that of those encompassed in Dobereiner's Triad.
• Thus, Dobereiner's could not be classify most of the elements known at that time.

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