Question

Which of the following is the limitation of Newlands’ law of octaves?

• A. Newlands assumed that only 36 elements existed.
• B. Iron, which resembles cobalt and calcium, was placed far away from these elements
• C. Newlands assumed that most of the elements which existed were gases.
• D. Newlands’ law of octaves was limited only up to calcium.

Answer 1

The correct option is D Newlands’ law of octaves was limited only up to calcium.

Newland's Law of octaves for elements was limited only up to calcium. He assumed that only 56 elements existed. He placed iron far from cobalt and nickel.