Which One of the Following Is Not a Redox Reaction

question 55

Multiple Choice

Which one of the following is not a redox reaction?

• A)2Na( s)+ 2H ₂O( l)→ 2NaOH( aq)+ H ₂( g)
• B)H ₂( g)+ Cl ₂( g)→ 2HCl( g)
• C)2H ₂O ₂( aq)→ 2H ₂O( l)+ O ₂( g)
• D)Fe ₂O ₃( s)+ 3H ₂SO ₄( aq)→ Fe ₂(SO ₄)₃( aq)+ 3H ₂O( l)
• E)2KMnO ₄( aq)+ 10FeSO ₄( aq)+ 8H ₂SO ₄( aq)→ K ₂SO ₄( aq)+ 2MnSO ₄( aq)+ 5Fe ₂(SO ₄)₃( aq)+ 8H ₂O( l)

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Definitions:

Variance

The difference between planned (budgeted) and actual figures in financial and operational contexts, identifying discrepancies.

Standard Costs

Predetermined costs assigned to goods and services, used as benchmarks to measure performance by comparing them with actual costs.

Standard Costs

Predetermined cost estimates used for budgeting purposes and measuring performance, often seen as benchmarks for the actual costs of production.

Variance

The difference between planned, budgeted, or standard cost and actual cost in accounting.