In the Complex Ion [Cr(C₂O₄)₂(H₂O)₂]^-, the Oxidation Number of Cr

question 79

Multiple Choice

In the complex ion [Cr(C₂O₄) ₂(H₂O) ₂]^-, the oxidation number of Cr is

• A) +1.
• B) +2.
• C) +3.
• D) -2.
• E) -1.

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Definitions:

Dilated

Refers to being widened or enlarged, commonly used to describe the dilation of pupils or blood vessels, or the dilation stage during childbirth.

Effaced

Effaced, in obstetrics, refers to the thinning and shortening of the cervix in preparation for childbirth.

Crowned

To be appointed or recognized in a ceremonial or symbolic position of authority, often used in the context of royalty or achievement.

Birth Canal

The passage comprising the cervix, vagina, and vulva through which a fetus passes during childbirth.