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In: Chemistry

This is an Inorganic C question. Answer all parts and show all work for full credit....

This is an Inorganic C question. Answer all parts and show all work for full credit.

7. The bond angles of NH3, PH3, and AsH3 are 106.6°, 93.7°, 92.8°, respectively.  

    1. Briefly describe what may be causing the difference in these angles.
    1. Your fellow classmate wrote for part of his answer for 2a above is: “the lone pair is bigger for As than for P than for N.”  Based on your answer to 2a, is his statement correct? Explain why or why not.

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