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Question

In Newland's table, cobalt and were placed in the same column along with fluorine, chlorine and bromine.

A
iron
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B
sodium
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C
nickel
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D
carbon
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Solution

The correct option is C nickel
  • In order to fit elements into law of octaves, Newlands, not only adjusted two elements in the same slot but also adjusted some unlike elements under the same note.
  • Cobalt and nickel are in the same slot and are positioned in the same column with fluorine, chlorine and bromine possessing different properties than these elements.
  • Iron possessing similar properties as cobalt and nickel, is placed far away from these elements.

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