Chemistry

Question Analysis
This question evaluates the student's ability to determine molecular shapes based on the presence of lone pairs on the central atom.

Key Concept Explanation
A bent shape occurs when: The central atom has two bonding pairs and one or two lone pairs.

Step-by-step Solution
Determine the molecular shape based on the electron pair arrangement.
A. CO₂ has no lone pairs and is linear.
B. H₂O has two lone pairs and is bent.
C. CH₄ has no lone pairs and is tetrahedral.
D. BCl₃ has no lon...