Question : Who among the following made the first observation on Platinum as a catalyst and discovered similar triads of elements that led to the development of the Periodic Table of elements?
Option 1: Dmitri Mendeleev
Option 2: Hans Christian Oersted
Option 3: Johann Wolfgang Dobereiner
Option 4: Michael Faraday
Correct Answer: Johann Wolfgang Dobereiner
Solution : The correct answer is Johann Wolfgang Dobereiner.
The Periodic Table of Elements was created by Johann Wolfgang Dobereiner's initial observations on platinum as a catalyst and the subsequent discovery of related elemental triads. This German chemist is most recognized for assembling the first Dobereiner lighter and for his research that predicted the periodic law for chemical elements.
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