In Which of the Following Pairs Is the Oxidation Number

question 41

Multiple Choice

In which of the following pairs is the oxidation number for the underlined element INCORRECT?

• A) ClO₄^-/(+7)
• B) S₂O₃^2-/+2
• C) Fe₂O₃/+3
• D) HCO₃^-/+3
• E) CO₂/+4

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Definitions:

Transactions

Financial events that involve the transfer of value between two parties, recording in accounting records.

Source Document

An original record or document that contains the details of a business transaction, used as the basis for recording and validating financial data.

Trial Balance

A bookkeeping worksheet in which the balances of all ledgers are compiled into debit and credit columns to ensure that a company's bookkeeping system is mathematically correct.

Credit

An accounting entry that increases liabilities or equity or decreases an asset or expense. Opposite of a debit.