Question

Limitations of deboreiner ​

Answer 1

Answer:

• 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.

Answer 2

Two important limitations are: All known elements could not be classified into groups of triads on the basis of their properties . Not all groups obeyed the Law of Triads. For example, nitrogen family does not obey the Law of Triads.