HESI A2 test chemistry - Oxidation And Reduction

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10 Terms

1
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Which species is the oxidizing agent in the following reaction?

Mg + 2 HCl → MgCl2 + H2

H1+ to H0

2
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Which of the options correctly shows the reduction that occurs in the following reaction?

O° to O²-

3
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An oxidizing agent does which of the following?

Oxidizes another chemical

4
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Which is the reducing agent in the following reaction?

HNO3 + HI→ NO + I2 + H2O

I

5
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In a redox reaction, oxidation is the _______ of electrons and reduction is the  _______ of electrons.

loss, gain

6
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Which of the options correctly shows the oxidation that occurs in the following reaction?

2Na + 2H2O → 2NaOH + H2

Na° to Na¹+ →→

7
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Which of the following is the oxidation number of magnesium in an ionic compound?

2+

8
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What is the oxidation number of oxygen?

2–

9
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During oxidation, what happens to a chemical species?

It loses electrons

10
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Which of the following occurs during a redox reaction?

One species is reduced, while another is oxidized