Question

what were the limitations of dobereiner's classification

SAHI ANSWER DENA pls boards hai yaar

Answer 1

1dobenier could only find 3 triad
2his table doesn't predicted about new elements
3 when new elements were founded they could not be placed in his triads

Answer 2

1.all the known elements did not follow the rule                                                2.in also his classification all elements did not have all same chemical & physical properteis