In the Complex Ion [Fe(CN)₆]^4-, What Is the Oxidation Number

question 81

Multiple Choice

In the complex ion [Fe(CN) ₆]^4-, what is the oxidation number of Fe?

• A) +1
• B) +2
• C) +3
• D) -4
• E) +6

---

Definitions:

Net Working Capital

The difference between a company's current assets and its current liabilities, indicating its short-term financial health and efficiency.

Cash Expenses

Payments that a business makes in cash, including operating expenses, purchasing of goods, and other transactions.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, reflecting wear and tear, deterioration, or obsolescence.

Top-Down Approach

An analysis method that begins with global or macroeconomic factors before drilling down into the specifics of individual securities or sectors.