Which Transformation Could Take Place at the Cathode of an Electrochemical

question 56

Multiple Choice

Which transformation could take place at the cathode of an electrochemical cell?

• A)MnO₂ → MnO₄^-
• B)Br₂ → BrO₃^-
• C)NO → HNO₂
• D)HSO₄^- → H₂SO₃
• E)Mn²⁺ → MnO₄^-

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Definitions:

Vertical Axis

In a graph or chart, the y-axis which typically represents the dependent variable or outcome in relation to the independent variable on the horizontal axis.

Slope

In mathematics, the measure of the steepness or incline of a line, typically defined as the ratio of the vertical change to the horizontal change between two points on the line.

Y-axis

The vertical line on a graph, typically representing the dependent variable in a two-dimensional coordinate system.

X-axis

A horizontal line that typically represents independent variables or data points in a two-dimensional graph.