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Phosphorus is immediately under nitrogen in the Periodic Table. Predict the
Chapter 1, Problem 1.68(choose chapter or problem)
Phosphorus is immediately under nitrogen in the Periodic Table. Predict the molecularformula for phosphine, the compound formed by phosphorus and hydrogen.Predict the H!P!H bond angle in phosphine.
Questions & Answers
QUESTION:
Phosphorus is immediately under nitrogen in the Periodic Table. Predict the molecularformula for phosphine, the compound formed by phosphorus and hydrogen.Predict the H!P!H bond angle in phosphine.
ANSWER:Key points
VSEPR
A method for predicting bond angles based on the idea that electron pairs repel each other and stay as far apart as possible.
Regions of Electron Density Around Central Atom |
Predicted Distribution of Electron Density |
Predicted Bond Angles |
4 |
Tetrahedral |
|
3 |
Trigonal planar |
|
2 |
Linear |
Step 1 of 2
We have to predict the molecular formula of phosphine.
Nitrogen and phosphorus are both elements of group which means they both have 5 valence electrons.