The Oxidation Number of as in H₂AsO₃^- Is ________

question 1

Multiple Choice

The oxidation number of As in H₂AsO₃^- is ________.

• A)+1
• B)+2
• C)+3
• D)+4
• E)+5

---

Definitions:

Beak Sizes

Variations in the length, width, and shape of the beaks of birds, often correlating with their feeding habits and ecological niches.

Indicator Species

Organisms used to assess the health of an ecosystem because their presence, absence, or abundance reflects a specific environmental condition.

Environmental Degradation

The deterioration of the environment through depletion of resources, destruction of ecosystems, and the extinction of wildlife.