What is the oxidation number of Hydrogen in KH? - ProProfs Discuss
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What is the oxidation number of Hydrogen in KH?



A. -1
B. 0
C. +1
D. +2

This question is part of Honors Chemistry Exam Prep Term 2 Final Exam
Asked by Mmccoy, Last updated: Mar 28, 2019

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2 Answers

L. Brett

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L. BrettSales Manager, MBA, Detroit
Sales Manager, MBA, Detroit

Answered on Mar 28, 2019

The correct answer to this question is A; the oxidation number of Hydrogen in KH is -1. A few general rules apply when assigning oxidation numbers: a few of these include the oxidation number of an atom in an element is zero, and the algebraic sum of the oxidation numbers in the formula of a compound is zero.

Generally, Hydrogen in compounds has an oxidation number of +1, although in metal hydrides such as NaH, LiH, and KH, its number is -1. Additionally, the only oxidation number for potassium (symbol K) in a simple inorganic compound is +1; therefore the oxidation number of hydrogen in KH is -1.

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mmccoy

Mmccoy

Answered on Mar 08, 2018

-1
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