In What Oxidation State Must the Iron Atom Be for Heme

question 75

Multiple Choice

In what oxidation state must the iron atom be for heme to bind oxygen?

• A) 0, Fe(0)
• B) 1+, Fe(I)
• C) 2+, Fe(II)
• D) 3+, Fe(III)
• E) There is no required oxidation state for the iron.

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Definitions:

Futures Price

The agreed-upon price for the future delivery of an asset such as a physical commodity or a financial instrument, as determined in the futures market.

Creation

The process of originating something new or bringing something into existence, often used in contexts ranging from art to finance.

Futures Contract

A legal agreement to buy or sell a particular commodity or asset at a predetermined price at a specified time in the future.

Margin

The difference between the selling price of a product and the cost of producing or purchasing it, or the collateral required to secure a loan or derivative position.