Question

demerits of doberiner's 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.

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Answer 2

Answer:

Drawback of Dobereiner's triads:

• 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.

Explanation:

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