Q1. Did DobereinerA’s triads also exist in the columns of Newland’s Octaves? Compare and find out. Ans. Yes, it exists in the Newland’s octave. Li, Na and K constitute the triad whereas its also found in the second column of Newland’s octave. Q2. What were the limitations of Dobereiner’s classification? Ans:- Two important limitations are: i)Dobereiner could find only […]