Which of the Following Statements About Thermal Electrocyclic Reactions Is

question 6

Multiple Choice

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

• A)The number of s bonds in the conjugated polyene determines whether rotation is conrotatory or disrotatory.
• B)Thermal electrocyclic reactions occur in a disrotatory fashion for a conjugated polyene with an odd number of p bonds.
• C)Thermal electrocyclic reactions occur in a conrotatory fashion for a conjugated polyene with an even number of p bonds.
• D)In thermal reactions,we consider the orbitals of the HOMO of the ground state electronic configuration to determine the course of the reaction.

---

Definitions:

Word Superiority Effect

A phenomenon in cognitive psychology that people have better recognition of letters presented within words as opposed to isolated letters or letters within non-words.

Familiar Word

A word that is well-known or easily recognized by an individual, contributing to easier understanding and processing of language.

Letter

In this context, "Letter" is not specifically defined as a psychological or physiological term; thus, it might be referring to a form of written communication.

Morpheme

The smallest grammatical unit in a language. In morphology, a morpheme is not further divisible without losing or altering its meaning.