1.

What were the limitations of Dobereiner's classification ?

Answer»

Solution :The limitations of Dobereiner.s classification are as follows:
(1) All the ELEMENTS known at that time could not be arranged as Dobereiner.s TRIAD. Hence this method of classification of elements into triads was not found to be successful.
(2) Three elements NITROGEN (N), phosphorus 3 (P) and arsenic (As) were then known elements, but these elements could not be CLASSIFIED as Dobereiner.s triad.


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