group 15 Flashcards
(13 cards)
What type of bonding is important in phosphorous?
pπ−dπ bonding is important in phosphorus
How many bonds can phosphorus form?
6
How many bonds can nitrogen form?
4
Why does nitrogen only form 4 bonds?
No empty d orbitals
Why does phosphorus form 6 bonds?
available d orbitals
How many forms of phosphorous are there?
3 - red, white and black
What VSEPR structure is white phosphorus (P4)?
Tetrahedral
Describe the structure of red phosphorous?
Each P is 3 coordinate and pyramidal. It forms polymeric chains
Why is the boiling point of NH3 anomalously high?
Due to hydrogen bonding bc N is electronegative.
NH3, PH3, AsH3, SbH3 all have 3 bonds and 1 lone pair.
True or false
True
The oxides of nitrogen cover a range of oxidation states from?
+1 to +5
Why is the NO molecule is paramagnetic?
5 valence electrons, one is odd on its own in NO
