Which Substance Is Serving as the Reducing Agent in the Following

question 67

Multiple Choice

Which substance is serving as the reducing agent in the following reaction? 14H⁺ + Cr₂O₇^2- + 3Ni → 3Ni²⁺ + 2Cr³⁺ + 7H₂O

• A)Ni
• B)H⁺
• C)Cr₂O₇^2-
• D)H₂O
• E)Ni²⁺

---

Definitions:

Ecological Speciation

The process through which new species arise due to ecological interactions and adaptations to different environmental niches.

Three-Spined Stickleback

A small fish species used extensively in evolutionary biology to study adaptation and speciation.

Benthic Morph

A form or variant of an organism adapted to living on the bottom of aquatic environments, like ocean floors.

Limnetic Morph

A type of fish adapted to living in the open water zone of freshwater habitats, distinct from those living near the bottom or shores.