Question

(b) Why was Döbereiner's law of triads discarded? ​

Answer 1

Answer:

Dobereiner's triad discarded because it failed to arrange all the known elements in the form of triads.

Answer 2

Answer:

Dobereiner's triad discarded because it failed to arrange all the known elements in the form of triads

law of triads was rejected because Doberiener failed to arrange all the known elements in form of triads. ... Note_The atomic mass of the middle element of a triad was approximately equal to arithmetic mean (average)of the atomic masses of the other two elements of that triad.