Question

what are the drawbacks of doberenier​

Answer 1

drawbacks are:

• 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:

dominar grouped the element into triads dominar so that when the three element in a driver arrange in the order of increasing atomic mass is the atomic masses of the middle element was roughly the average of the atomic masses of the other two elements p