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why 7 th 8 th and 9 th group of d and f block donot form any hydrides with hydrogen which is called hydrie gap

why 7th 8th and 9th group of d and f block donot form any hydrides with hydrogen which is called hydrie gap

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1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
7 years ago
Hydrogen combine with many element forming hydride in which its oxidation state is -1. The 7th8thand 9thgroup of d and f block donot form any hydrides with hydrogen because these elememt have a very low affinity for hydrogen in their normal oxidation state..Example of such elements are Mn, Fe, Co, Ru, Re, Os etc.

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