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:

Volatile Storage

A type of memory that requires power to maintain the stored information; it loses its data when power is turned off.

CPU Speed

The speed at which a computer's central processing unit (CPU) executes instructions, typically measured in Hertz (Hz); it determines the efficiency and performance of the computer's processing power.

Quad-Core Processor

A central processing unit (CPU) with four independent cores that can read and execute instructions.