One of the Steps in the Fixation of Nitrogen by Lightening

question 26

Multiple Choice

One of the steps in the fixation of nitrogen by lightening is given below.2NO₂(g) + H₂O(l) $\rarr$ HNO₂(aq) + HNO₃(aq) In this reaction, is the element nitrogen oxidized or reduced

• A) Nitrogen is oxidized in this reaction.
• B) Nitrogen is reduced in this reaction.
• C) Nitrogen is oxidized and reduced in this reaction.
• D) Nitrogen is neither oxidized nor reduced in this reaction.

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Definitions:

Xylem

A type of vascular tissue in plants that transports water and dissolved minerals from the roots to the rest of the plant.

Alpha-Galacturonic Acid

A component of pectin, a polysaccharide found in the cell walls of plants, involved in maintaining cell structure and rigidity.

Glucagon

A hormone produced by the pancreas that promotes the increase of blood glucose levels by stimulating glycogen breakdown in the liver.

Pectin

A complex carbohydrate found in the cell walls of plants that is often used as a gelling agent in foods and for its dietary fiber properties.