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CLEP Chemistry Practice Test

Category - Chemistry

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Iron_(II) chloride (FeCl₂) is a product of the reaction between iron metal (Fe) and hydrochloric acid (HCl), as shown in the equation below. Fe + 2HCl → FeCl₂ + H₂. What is the change in oxidation number of iron in this reaction?

from 0 to +2
from +1 to +2
from 0 to -2
from -1 to -2

Explanation

Answer: A - From 0 to +2

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CLEP Chemistry Practice Test

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CLEP Chemistry Practice Test

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