Under What Conditions Would a 1,3-Hydrogen Shift Occur in a Sigmatropic

question 67

Multiple Choice

Under what conditions would a 1,3-hydrogen shift occur in a sigmatropic rearrangement?

• A)thermal conditions
• B)photochemical conditions
• C)suprafacial pathway
• D)A and C
• E)B and C

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Definitions:

Materials Price Variance

The difference between the actual cost of materials and the standard cost, multiplied by the quantity of materials purchased.

Variable Manufacturing

Costs in manufacturing that change in proportion to the volume of production, such as materials and labor.

Materials Price Variance

The difference between the actual cost of materials used in production and the budgeted cost of materials, based on standard prices and actual quantities purchased.

Variable Manufacturing

Costs in manufacturing that vary directly with the level of production, such as raw materials and direct labor costs.