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Question : In which year did John Alexander Newlands propound a new concept of the 'Law of Octaves' proposing the periodicity of chemical elements arranged in order of atomic weight?

Option 1: 1860

Option 2: 1865

Option 3: 1873

Option 4: 1870


Team Careers360 16th Jan, 2024
Answer (1)
Team Careers360 24th Jan, 2024

Correct Answer: 1865


Solution : The correct option is 1865.

John Alexander Newlands proposed the "Law of Octaves" in 1865. According to the Law of Octaves, chemical elements display comparable properties after every eighth element when grouped in increasing atomic weight order.

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