Which of the Following Statements About Photochemical Electrocyclic Reactions Is

question 7

Multiple Choice

Which of the following statements about photochemical electrocyclic reactions is not true?

• A)In photochemical reactions,we consider the orbitals of the HOMO of the excited state to determine the course of the reaction.
• B)Photochemical electrocyclic reactions occur in a conrotatory fashion for a conjugated polyene with an odd number of p bonds.
• C)Photochemical electrocyclic reactions occur in a disrotatory fashion for a conjugated polyene with an even number of p bonds.
• D)In photochemical reactions,we consider the orbitals of the LUMO of the excited state to determine the course of the reaction.

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Definitions:

Excess Demand

A situation where the quantity demanded of a product or service exceeds the quantity supplied at a given price.

Quantity Demanded

The amount of a good or service that buyers are willing and able to purchase at a specific price, holding all other factors constant.

Supply Pizza

Represents the total quantities of pizza that sellers are willing and able to provide at various prices within a given market.

Excess Supply

Excess supply, also known as surplus, occurs when the quantity of a good or service offered for sale exceeds the quantity demanded at the current price.