Which One of the Following Is a Redox Reaction
A) $\rarr$

question 161

Multiple Choice

Which one of the following is a redox reaction

• A) 2Al(s) + 3H₂SO₄(aq) \(\rarr\)Al₂(SO₄)₃(aq) + 3H₂(g)
• B)2KBr(aq) + Pb(NO₃)₂(aq) \(\rarr\) 2KNO₃(aq) + PbBr₂(s)
• C)CaBr₂(aq) + H₂SO₄(aq) \(\rarr\) CaSO₄(s) + 2HBr(g)
• D)H⁺(aq) + OH^- (aq) \(\rarr\) H₂O(l)
• E) CO₃^2- (aq) + HSO₄^-(aq) \(\rarr\)HCO₃^- (aq) + SO₄^2- (aq)

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Definitions:

Risk-Free Rate

The risk-free rate is the theoretical return on an investment with no risk of financial loss, often represented by the yield on government securities.

Marginal Cost of Capital

The additional cost that a company incurs to obtain one more unit of capital, such as equity or debt, often used in making investment decisions.

Common Equity

Represents the share of ownership in a company that is held by common shareholders, including the value of common shares plus retained earnings.

Retained Earnings

The portion of net income that is not distributed to shareholders but instead reinvested in the business or used to pay off debt.