Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![**Question:**
Which electron configuration violates Hund's rule?
**Options:**
A) \[ \text{[He]}2s^22p_x^22p_y^22p_z^1 \]
B) \[ \text{[He]}2s^22p_x^22p_y^12p_z^2 \]
C) \[ \text{[He]}2s^22p_x^12p_y^22p_z^2 \]
D) \[ \text{[He]}2s^22p_x^22p_y^2 \]
E) \[ \text{[He]}2s^22p_x^12p_y^12p_z^2 \]
**Explanation:**
This question asks which electron configuration does not follow Hund's rule. Hund's rule states that every orbital in a subshell is singly occupied before any orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin. Answer choice C violates Hund's rule because it implies that the 2p orbitals are not filled correctly by occupying each orbital singly before doubling up.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0e2c5934-0570-4004-b5ac-6d60456e402b%2F01e9e588-b7d9-4e7e-bedb-9945774f8edd%2F3smi4bd_processed.png&w=3840&q=75)
Transcribed Image Text:**Question:**
Which electron configuration violates Hund's rule?
**Options:**
A) \[ \text{[He]}2s^22p_x^22p_y^22p_z^1 \]
B) \[ \text{[He]}2s^22p_x^22p_y^12p_z^2 \]
C) \[ \text{[He]}2s^22p_x^12p_y^22p_z^2 \]
D) \[ \text{[He]}2s^22p_x^22p_y^2 \]
E) \[ \text{[He]}2s^22p_x^12p_y^12p_z^2 \]
**Explanation:**
This question asks which electron configuration does not follow Hund's rule. Hund's rule states that every orbital in a subshell is singly occupied before any orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin. Answer choice C violates Hund's rule because it implies that the 2p orbitals are not filled correctly by occupying each orbital singly before doubling up.
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