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:

Salutary Neglect

A British policy in the early 1700s allowing its North American colonies to operate with minimal royal interference, fostering a spirit of independence.

British Authority

The governing power or control exercised by British governmental and colonial administrations, historically observed in territories under British rule.

Sugar Act

A British law enacted in 1764 aiming to raise revenue from the American colonies by imposing a tax on sugar and other imports, contributing to colonial dissatisfaction and the American Revolution.