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Tardigrade
Question
Chemistry
Boron does not form B3+ ions whereas Al forms Al3+ ions. This is because
Q. Boron does not form
B
3
+
ions whereas Al forms
A
l
3
+
ions. This is because
2496
184
The p-Block Elements
Report Error
A
the size of B atom is smaller than that of Al
25%
B
the sum of
I
E
1
+
I
E
2
+
I
E
3
of B is much higher than that of Al
17%
C
the sum of
I
E
1
+
I
E
2
+
I
E
3
of Al is much higher than that of B
17%
D
both (a) and (b).
40%
Solution:
Boron atom is smaller in size and therefore, the sum of
I
E
1
+
I
E
2
+
I
E
3
(
3659
k
J
m
o
l
−
1
)
for B is much higher than that of
A
l
(
2744
k
J
m
o
l
−
1
)
. Hence B does not form
B
3
+
ions.