For the Reaction, 2Cr²⁺ + Cl₂(g) $\rarr$ 2Cr³⁺ + 2Cl^-, E ^$\circ$

question 47

Multiple Choice

For the reaction, 2Cr²⁺ + Cl₂(g) $\rarr$ 2Cr³⁺ + 2Cl^-, E ^$\circ$ _cell is 1.78 V. Calculate E ^$\circ$ _cell for the related reaction Cr³⁺ + Cl^- $\rarr$ Cr²⁺ + ¹/₂Cl₂(g) .

• A) 1.78 V
• B) 0.89 V
• C) -1.78 V
• D) -0.89 V
• E) None of these.

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Definitions:

Principle Amount

The original sum of money borrowed in a loan or put into an investment.

Time

A continuous, measurable quantity in which events occur in a sequence from the past through the present to the future.

Simple Interest

Interest computed on the original sum of a loan or deposit, not including the effects of compounding throughout the duration.

Simplification

The process of reducing a mathematical expression or equation to its simplest form.