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AP EAMCET202021 Sep 2020Evening ShiftChemistryHydrogenActual

Elements of which of the following group(s) of periodic table do not form hybrides?

Options

  1. AGroups 7, 8, 9
  2. BGroup 13
  3. CGroup 15, 16, 17
  4. DGroup 14

Correct answer

A. Groups 7, 8, 9

Step-by-step solution

The region of the periodic table from group 7 to 9 is referred to as the hydride gap as they do not form hydrides. Examples of such elements are ( Mn , Fe , Co , Ru ) etc. These elements do not form hydrides on account of low affinity for hydrogen in their normal oxidation states. Hence, the correct option is (a).

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