Question 1
According to molecular orbital theory, what is the bond order and magnetic behavior of the diatomic oxygen molecule (O2) in its ground state?
Correct Answer:
Bond order 2, paramagnetic
Question 2
For an octahedral coordination complex of a d5 transition metal ion like Fe(III), which set of conditions favors a low-spin configuration?
Correct Answer:
A strong-field ligand like CN⁻ and large crystal field splitting energy (Δo > P)
Question 3
Which of the following d-electron configurations is most susceptible to a strong Jahn-Teller distortion in an octahedral coordination complex?
Correct Answer:
High-spin d4
Question 4
Under the Hard-Soft Acid-Base (HSAB) principle, which of the following pairs is expected to form the most stable coordination complex?
Correct Answer:
Hg²⁺ (soft acid) and I⁻ (soft base)
Question 5
What is the molecular point group of the sulfur hexafluoride (SF6) molecule?
Correct Answer:
Oh
Question 1
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Prepare with the PRC Chemist Practice Questions - PRC Chemist Licensure Examination Exam practice quiz. This question bank includes 100 questions covering complex, chemical, coordination, molecular, and reaction. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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PRC Chemist Practice Questions - PRC Chemist Licensure Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on complex, chemical, coordination, molecular, and reaction. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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