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Test Index
p Block Elements Part 3
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Section:
Chemistry
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© examsnet.com
Question : 9 of 81
Marks:
+1
,
-0
Given below are two statements :
Statement-I : The second ionization enthalpy of
B
,
A
l
\mathrm{B}, \mathrm{Al}
B
,
Al
and Ga is in the order of
B
>
A
l
>
G
a
\mathrm{B} > \mathrm{Al} > \mathrm{Ga}
B
>
Al
>
Ga
.
Statement-II : The correct order in terms of first ionization enthalpy is
S
i
<
G
e
<
P
b
<
S
n
\mathrm{Si} < \mathrm{Ge} < \mathrm{Pb} < \mathrm{Sn}
Si
<
Ge
<
Pb
<
Sn
.
In the light of the above statements, choose the correct answer from the options given below :
[JEE Main 2 apr 2026 Shift 2]
Both Statement-I and Statement-II are true.
Both Statement-I and Statement-II are false.
Statement-I is true but Statement-II is false.
Statement-I is false but Statement-II is true.
Validate
Solution:
2
nd
2^{\text{nd}}
2
nd
I.E of
B 2427 KJ/mol
Al 1817 KJ/mol
Ga 1979 KJ/mol
Hence
1
st
1^{\text{st}}
1
st
statement is incorrect.
1
st
1^{\text{st}}
1
st
I.E
Sr 786.5 KJ/mol
Ge 761–762 KJ/mol
Sn 708 KJ/mol
Pb 715 KJ/mol
Hence
2
nd
2^{\text{nd}}
2
nd
statement is also incorrect.
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