Question

]
]
Select the incorrect statement.
[b
a) In H,O, oxygen obeys octet rule.
b) In NH, Nitrogen obeys octet rule
c) In PCI, phosphorus does not obey octet rule
d) In SF, sulphorus obeys octet rule
Which is odd one, among the following.
[
a) Valency electronic configuration of Ne' is 2s 2p
b) Valency electronic configuration of ‘Ar' is 3s2 2p
c) Valency electronic configuration of 'He' is 1s2
d) Valency electronic configuration of ‘Kr' is 4s4p
For IA to IVA group, valency is equal to
[
a) group number b ) valence electrons c) 8-group number d) both a and b
Atoms combined to form molecule, due to
[
a) to reduce energy
b) to get octet configuration
c) to increase energy
d) both a and b
]
]​

Answer 1

Answer:

all are not correct statement s