JEE Main 2025 Chemistry question
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. In the light of the above statements, choose the correct answer from the options given below :
Answer: (4)
Solution
Law of octaves arranged elements by atomic weight (not number); Lothar Meyer used atomic weight (not atomic number) for his plots