Tardigrade
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Tardigrade
Question
Chemistry
Pick out the incorrect statement
Q. Pick out the incorrect statement
2025
224
The p-Block Elements - Part2
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A
Red phosphorus consists of a complex chain structure and black phosphorus has a layer structure
B
Nitrogen shows a little tendency for catenation, because
N
−
N
single bond is very strong
C
The maximum number of covalent bonds formed by nitrogen is four, since it has no
d
-orbitals in its valence shell
D
The group
15
elements do not form
M
+
5
ions, but
+
5
oxidation state is realized only through covalent bonding
Solution:
Catenation
∝
1/
size
N
has more catenation tendency due to is small size.
S
b
and
S
i
doesn’t have catenation tendency.