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Chemistry · Classification of Elements and Periodicity in Properties
हिन्दीGiven below are two statements: Statement I: Johann Dobereiner in the early 1800's was the first to consider the idea of trends among properties of elements. Statement II: Newlands' Law of Octaves was widely accepted at that time and he was awarded the Davy Medal in 1887 by the Royal Society, London. In the light of the above statements, choose the most appropriate answer from the options given below:
Correct answer · Option 3
Statement I is correct but Statement II is incorrect.
Explanation
Statement I is correct. Statement II is incorrect because Newlands' work was not accepted at the time and ridiculed; though he was later awarded the Davy Medal in 1887.
