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13. Which of the following statements about a thermal reaction involving an even number of electron pairs is true? A) A themal reaction involving an even number of electron pairs is conrotatory or antarafacial B) A thermal reaction involving an even number of electron pairs is disrotatory or suprafacial C) A thermal reaction involving an even number of electron pairs is conrotatory or suprafacial D) A thermal reaction involving an even number of electron pairs is disrotatory or antarafacial

13. Which of the following statements about a thermal reaction involving an even number of electron pairs is true? A) A themal reaction involving an even number of electron pairs is conrotatory or antarafacial B) A thermal reaction involving an even number of electron pairs is disrotatory or suprafacial C) A thermal reaction involving an even number of electron pairs is conrotatory or suprafacial D) A thermal reaction involving an even number of electron pairs is disrotatory or antarafacial

General, Organic, and Biological Chemistry
General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter9: Chemical Reactions
Section: Chapter Questions
Problem 9.43EP
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13. Which of the following statements about a thermal reaction involving an even number of electron pairs is true? A) A thermal reaction involving an even number of electron pairs is conrotatory or antarafacial B) A thermal reaction involving an even number of electron pairs is disrotatory or suprafacial C) A thermal reaction involving an even number of electron pairs is conrotatory or suprafacial D) A thermal reaction involving an even number of electron pairs is disrotatory or antarafacial 14. Which of the following statements about a r* antibonding molecular orbital is true? A) Ax* antibonding molecular orbital is formed when two p orbitals of similar phase overlap. B) Ax* antibonding molecular orbital is formed when two p orbitals of opposite phase overlap. C) Ar* antibonding molecular orbital is a higher-energy molecular orbital than a x bonding molecular orbital. D) Both the statements "a * antibonding molecular orbital is formed when two p orbitals of opposite phase overlap" and "an* antibonding molecular orbital is a higher-energy molecular orbital than a t bonding molecular orbital" are true.
Transcribed Image Text:13. Which of the following statements about a thermal reaction involving an even number of electron pairs is true? A) A thermal reaction involving an even number of electron pairs is conrotatory or antarafacial B) A thermal reaction involving an even number of electron pairs is disrotatory or suprafacial C) A thermal reaction involving an even number of electron pairs is conrotatory or suprafacial D) A thermal reaction involving an even number of electron pairs is disrotatory or antarafacial 14. Which of the following statements about a r* antibonding molecular orbital is true? A) Ax* antibonding molecular orbital is formed when two p orbitals of similar phase overlap. B) Ax* antibonding molecular orbital is formed when two p orbitals of opposite phase overlap. C) Ar* antibonding molecular orbital is a higher-energy molecular orbital than a x bonding molecular orbital. D) Both the statements "a * antibonding molecular orbital is formed when two p orbitals of opposite phase overlap" and "an* antibonding molecular orbital is a higher-energy molecular orbital than a t bonding molecular orbital" are true.
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