Use VSEPR Theory to Decide Which One of the Following

question 21

Multiple Choice

Use VSEPR theory to decide which one of the following molecules and ions will definitely have at least one 90° bond angle in it. (In each case except water, the central atom is the first one in the formula.)

• A)AlCl ₄ ⁻
• B)NH ₃
• C)PCl ₅
• D)CO ₂
• E)H ₂O

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