Question:

Which of the following does not exist?

Updated On: Jul 14, 2022
  • $ SbC{{l}_{3}} $
  • $ SbC{{l}_{5}} $
  • $ BiC{{l}_{5}} $
  • $ AsC{{l}_{5}} $
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The Correct Option is C

Solution and Explanation

Due to inert pair effect. Bismuth does not form stable + 5 oxidation state compound. Hence, $ BiC{{l}_{5}} $ is not found.
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Concepts Used:

Group 15 Elements

Group 15 elements are also known as nitrogen group elements or nitrogen family

It consists of:

  • Nitrogen (N)
  • Phosphorus (P)
  • Arsenic (As)
  • Antimony (Sb)
  • Bismuth (Bi)
  • Moscovium (Mc)

They are present on the right side of the periodic table. All the elements are arranged based on their atomic weight. The elements with similar properties reside in a column called the group.

All Group 15 elements have the electron configuration ns2np3 in their outer shell, where n is the principal quantum number.

Periodic Trends in Group 15 Elements