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Which of the following statements is not correct regarding hydrogen:A. Hydrogen show + 1 and -1 oxidation states.B. Hydrogen is never liberated at anode.C. Hydrogen has same ionisation enthalpy as that of alkali metals.D. Hydrogen has same electronegativity as that of halogens.

Answer» Correct Answer - A
Hydrogen has + 1 oxidation state in compounds with more electronegative elements e.g. HF. It has - 1 oxidation state in compounds with more electropositive compounds like NaH.


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