In NaH, the oxidation state of hydrogen is _______________(a) 2(b) 1(c) -1(d) 0This question was posed to me in an international level competition.My doubt stems from Redox Reactions in portion Redox Reactions of Chemistry – Class 11

In NaH, the oxidation state of hydrogen is _______________(a) 2(b) 1(c

1.	In NaH, the oxidation state of hydrogen is _______________(a) 2(b) 1(c) -1(d) 0This question was posed to me in an international level competition.My doubt stems from Redox Reactions in portion Redox Reactions of Chemistry – Class 11
Answer» Right answer is (C) -1 For explanation: In all compounds EXCEPT ionic metal HYDRIDE the OXIDATION number of hydrogen is +1. But in metal HYDRIDES like sodium hydride, magnesium hydride, calcium hydride, etc, the oxidation number of hydrogen as -1.

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