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Byju's Answer
Standard XII
Chemistry
Ionization Enthalpy
Explain the f...
Question
Explain the formation of Ionic bond in NaCl.
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Solution
Sodium has electronic configuration
1
s
2
2
s
2
2
p
6
3
s
1
, when it looses one electron, attains stability where as chlorine
1
s
2
2
s
2
2
p
6
3
s
2
3
p
5
, it gain one electron to get stability.
The electron lost by Na is gained by the chlorine forming an ionic bond.
(1)
N
a
→
N
a
+
+
e
−
(2)
C
l
+
e
−
→
C
l
−
(3)
N
a
+
C
l
→
N
a
+
[
C
l
−
]
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