Oxidation States of Hydrogen

Oxidation States of Hydrogen

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial explains the oxidation numbers for hydrogen. It starts by discussing hydrogen as a free element with an oxidation state of zero, similar to other elements on the periodic table. The video then covers diatomic elements like H2 and Cl2, which also have an oxidation state of zero. When hydrogen is bonded to non-metals, it typically has an oxidation number of +1, as seen in HCl. Conversely, when hydrogen is bonded to metals or boron, it has an oxidation number of -1, as in sodium hydride (NaH). The tutorial concludes with a summary of these concepts.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation state of hydrogen when it is a free element?

-1

0

+1

+2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is considered a diatomic element?

Na

H2

Fe

C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation number of hydrogen in HCl?

+2

+1

0

-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When hydrogen is bonded to chlorine, what is the oxidation state of chlorine?

+2

0

-1

+1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which compound does hydrogen have an oxidation state of -1?

H2

HCl

H2O

NaH

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation state of sodium in sodium hydride (NaH)?

+1

-1

+2

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When hydrogen is bonded to metals, what is its typical oxidation state?

+2

-1

+1

0

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