Question

Which statement tells us about the limitations of Dobereiner's law of triad. A ) It did not hold true for all elements B ) Properties of elements grouped into triad were not similar to each other C ) Both 1 and 2 D ) None of these.​

Answer 1

Explanation:

A) It did not hold true for all elements

Döbereiner’s triads could find only three triads; .i.e total of 9 elements only but there were many more elements known at that time.

Therefore Dobereiner’s could not classify most of the elements known at that time.

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Answer 2

Answer:

The correct option for the question- Which statement tells us about the limitations of Dobereiner's law of triad .is-

. A ) It did not hold true for all elements

Explanation:

The main Limitation of Dobereiner's classification of elements was that he failed to arrange all the then-known elements in the form of triads of elements having similar chemical properties.

Dobereiner could find only three triads; . i.e total of 9 elements only. However the total number of elements were more than that of those encompassed in Dobereiner's Triad.

Thus, Dobereiner's could not classify most of the elements known at that time.