Describe a Sigmatropic Rearrangement

question 89

Multiple Choice

Describe a sigmatropic rearrangement.

• A)A sigma bond in the reactant has moved to a different location in the product,and the pi bonds have rearranged.
• B)The product contains a new ring,with two less sigma bonds,and two more pi bonds than the starting material.
• C)The product contains a new ring,with two more sigma bonds,and two less pi bonds than the starting material.
• D)The product contains a new ring,with one less sigma bond,and one more pi bond than the starting material.
• E)The product contains a new ring,with one more sigma bond,and one less pi bond than the starting material.

---

Definitions:

Profitability Index

A calculation used to assess the desirability of an investment, calculated as the present value of future cash flows divided by the initial investment cost.

Internal Rate Of Return

A financial metric used to estimate the profitability of potential investments by calculating the discount rate that makes the net present value of all cash flows equal to zero.

Discounted Cash Flow

A financial analysis technique that estimates the value of an investment based on its expected future cash flows, discounted back to their present value.