Which of the following compounds contains hydrogen in a negative oxidation state

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Question: Which of the following compounds contains hydrogen in a negative oxidation state? (2021)

Options:

Correct Answer: NaH

Exam Year: 2021

Solution:

In sodium hydride (NaH), hydrogen has an oxidation state of -1.

Which of the following compounds contains hydrogen in a negative oxidation state? (2021)

Which of the following compounds contains hydrogen in a negative oxidation state? (2021)

Step 1: Understand what oxidation state means. It is a way to keep track of electrons in a compound.
Step 2: Know that hydrogen usually has an oxidation state of +1, but it can be -1 in some compounds.
Step 3: Identify the compound in question, which is sodium hydride (NaH).
Step 4: In sodium hydride, sodium (Na) has an oxidation state of +1.
Step 5: To balance the overall charge of the compound (which is neutral), hydrogen must have an oxidation state of -1.
Step 6: Conclude that in sodium hydride (NaH), hydrogen is in a negative oxidation state of -1.

No concepts available.