Question

Why dobereiners law of triad was rejected

Answer 1

Answer: The 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. But,taking halogens,viz.

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Answer 2

The law of triads was rejected because Döberiener 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 ... Döbereiner stated in his law of triads that the arithmetic mean of the atomic masses of the first and third element in a triad would be approximately equal to the atomic mass of the second element in that triad.