Question

drawback of dobeireiners triads
​

Answer 1

Explanation:

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. Take the example of F, Cl, Br.

Answer 2

Answer:

All the know elements couldn't be arranged in traids

2. it was only for three traids