Consider the Following Standard Reduction Potentials

question 109

Multiple Choice

Consider the following standard reduction potentials:
2H⁺(aq) + 2e^- H₂(g) ; E° = 0.00 V
Sn²⁺(aq) + 2e^- Sn(s) ; E° = -0.15 V
Cd²⁺(aq) + 2e^- Cd(s) ; E° = -0.40 V
Which pair of substances will react spontaneously under standard-state conditions?

• A)Cd with H⁺
• B)Cd with Sn
• C)Sn²⁺ with Cd²⁺
• D)Sn with Cd²⁺
• E)Sn²⁺ with H⁺

---

Definitions:

Welfare Payments

Financial assistance payments made by the government to individuals or families, particularly those who are unemployed, disabled, or on low income.

Earned-Income Tax Credit

A returnable tax credit aimed at individuals and families with low to moderate income who work, especially those who have children.

Wage Subsidy

A financial incentive given by governments to employers to encourage the hiring of certain individuals, often used to reduce unemployment in disadvantaged groups.

Social Security Taxes

Taxes imposed by governments to fund social security programs, typically deducted from employees' paychecks and matched by employers.