Question

State the drawback of dobereiner's triads.

Answer 1

Hlo mate here is ur ans.....

• Doberinier couldn't identify only 3 triads. He was not able to triads of all unknown elements.........
• All the known elements couldn't be arranged in the form of triads.....
• For every low mass or for the high mass elements, the law was not holding good

Take the example of:- F, CL, Br...

Atomic mass of CL is not an arthemetic mean of atomic masses of F and Br....

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