The Oxidation Number of Cr in Cr₂O₇ ^2- is

question 64

Multiple Choice

The oxidation number of Cr in Cr₂O₇ ^2- is:

• A)+2.
• B)-2.
• C)+7.
• D)+6.
• E)none of the above

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Definitions:

Volume Variance

A measure used in budgeting and accounting to analyze the difference between actual and budgeted sales volumes, affecting the total revenue.

Standard Hours

The predefined amount of time expected to complete a task or project under normal conditions.

Normal Capacity

The average level of operational output or activity that a company can sustain over a period, considering usual business conditions.

Standard Costs

Pre-established expenses expected in the production of goods or services, serving as benchmarks for financial planning.