Methanol (CH₃OH) Is Converted to Bromomethane (CH₃Br) as Follows: CH₃OH

question 128

Multiple Choice

Methanol (CH₃OH) is converted to bromomethane (CH₃Br) as follows: CH₃OH + HBr → CH₃Br + H₂O
If 12.23 g of bromomethane are produced when 5.00 g of methanol is reacted with excess HBr, what is the percentage yield?

• A) 12.9%
• B) 33.8%
• C) 40.9%
• D) 59.1%
• E) 82.6%

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Definitions:

Variable Overhead Rate Variance

The difference between the actual variable overhead incurred and the expected variable overhead based on a standard rate.

Direct Materials Purchases Variance

The difference between the actual cost of direct materials purchased and the expected (budgeted) cost of these materials.

Standard Direct Labor-Hours

The estimated amount of labor time required to produce one unit of output, based on established standards.

Variable Overhead Rate Variance

The difference between the actual and the standard cost of variable overheads in a production process.