Given below are two statements: Statement (I): According to…

Chemistry Classification of Elements and Periodicity JEE Main 2025 Single Correct MCQ

Published on: August 13, 2026

Given below are two statements:

Statement (I): According to the Law of Octaves, the elements were arranged in the increasing order of their atomic number.

Statement (II): Meyer observed a periodically repeated pattern upon plotting physical properties of certain elements against their respective atomic numbers.

choose the correct answer from the options given below:

Both Statement (I) and Statement (II) are false.

Both Statement (I) and Statement (II) are true.

Statement (I) is false but Statement (II) is true.

Statement (I) is true but Statement (II) is false.

Text Solution

Verified by Experts

The correct answer is:

Law of octaves was arranged in the increasing order of their atomic weight. Lothar Meyer

plotted the physical properties such as atomic volume, melting point and boiling point against atomic weight.

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