What Can Be Said with Certainty If a Compound Has $\alpha$

question 42

Multiple Choice

What can be said with certainty if a compound has [ $\alpha$ ] = -9.25 ?

• A)The compound has the (
• S)configuration.
• B)The compound has the (
• R)configuration.
• C)The compound is not a meso form.
• D)The compound possesses only one stereogenic center.
• E)The compound has an optical purity of less than 100%.

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Definitions:

Materials Quantity Variance

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

Materials Price Variance

The deviation from the standard to the real price of materials, calculated by multiplying this difference by the amount of materials bought.

Variable Overhead

Overhead costs that vary directly with the level of production or activity, such as electricity or material handling costs.

Direct Material

Raw materials that can be directly traced to the production of a specific product and are a significant component of its cost.