In Which Reaction Does the Oxidation Number of Oxygen Increase

question 140

Multiple Choice

In which reaction does the oxidation number of oxygen increase?

• A) 2 SO₂ (g) + O₂ (g) -2 SO₃ (g)
• B) HCl (aq) + NaOH (aq) -NaCl (aq) + H₂O (l)
• C) Ba(NO₃)₂ (aq) + K₂SO₄ (aq) -BaSO₄ (s) + 2 KNO₃ (aq)
• D) 2 H₂O (l) -2 H₂ (g) + O₂ (g)
• E) MgO (s) + H₂O (l) -Mg(OH)₂ (s)

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Definitions:

After-Acquired Inventory

Inventory obtained by a company after it has granted a security interest in its inventory to a creditor, which may also fall under the security interest for that creditor.

Financing Statement

A document filed to give public notice of a secured transaction, thereby establishing a lender's security interest in the borrower's collateral.

Avalanche

In finance, an avalanche method refers to a strategy of paying off debts by starting with the highest interest rate debt first.

Security Interest

A legal claim or lien on collateral that has been pledged, typically to obtain a loan, ensuring the right to take possession if repayment is not made.