If the Reaction Is Taking Place in an Acidic Solution

question 5

Multiple Choice

If the reaction is taking place in an acidic solution, the balanced equation is:

• A) 2Fe + 14H⁺ + 2Cr₂O₇²⁻ → 2Fe³⁺ + 2Cr³⁺ + 2H₂O.
• B) Fe + H⁺ + Cr₂O₇²⁻ → Fe³⁺ + Cr³⁺ + H₂O.
• C) 2Fe + 14H⁺ + Cr₂O₇²⁻ → 4Fe³⁺ + 2Cr³⁺ + 28H₂O.
• D) 2Fe + 14H⁺ + Cr₂O₇²⁻ → 2Fe³⁺ + 2Cr³⁺ + 7H₂O.
• E) 4Fe + 10H⁺ + Cr₂O₇²⁻ → 3Fe³⁺ + Cr³⁺ + 7H₂O.

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Definitions:

Operating Cycle

The period of time between the acquisition of inventory by a company and the receipt of cash from accounts receivable from the sale of that inventory.

Inventory Period

The time it takes for a company to turn its inventory into sales.

Accounts Payable Period

The duration it takes for a company to pay off its supplier invoices.

Accounts Receivable Period

The typical period a firm takes to collect receivables from its clients.