Tardigrade
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Tardigrade
Question
Chemistry
PCl5 is well known but NCl5 is not. Because.
Q.
PC
l
5
is well known but
NC
l
5
is not. Because.
726
161
JEE Main
JEE Main 2022
Chemical Bonding and Molecular Structure
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A
nitrogen is less reactive than phosphorous.
7%
B
nitrogen doesn't have d-orbitals in its valence shell.
48%
C
catenation tendency is weaker in nitrogen than phosphorous.
21%
D
size of phosphorous is larger than nitrogen.
24%
Solution:
PC
l
5
forms five bonds by using the d-orbitals to "expand the octet". But
NC
l
5
does not exist because there are no
d
−
orbitals in the valence shell (
2
nd
shell). Therefore there is no way to expand the octet.