What Is the Oxidation Number of the Chlorine in [ClO₄]

question 67

Multiple Choice

What is the oxidation number of the chlorine in [ClO₄] ^- ?

• A) +2
• B) - 2
• C) +5
• D) +7
• E) none of these

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Definitions:

Unfavorable Cost Variance

A situation where actual costs exceed standard or planned costs, indicating inefficiencies or increased expense.

Standard Cost

A pre-determined estimate of the cost to produce or acquire a single unit of product or service, used for budgeting and measuring performance.

Direct Materials Quantity Variance

The difference between the actual quantity of materials used in production and the standard quantity expected, multiplied by the standard cost per unit.

Standard Quantity

The predetermined amount of materials or inputs planned to be used in a manufacturing process or task.