1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
For the second period elements the correct increasing order of first ionization enthalpy is :
A
Li < B < Be < C < N < O < F < Ne
B
Li < Be < B < C < O < N < F < Ne
C
Li < B < Be < C < O < N < F < Ne
D
Li < Be < B < C < N < O < F < Ne
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The correct order of atomic radii in group 13 elements is
A
B < Al < In < Ga < Tl
B
B < Al < Ga < In < Tl
C
B < Ga < Al < Tl < In
D
B < Ga < Al < In < Tl
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Which of the following oxides is most acidic in nature?
A
MgO
B
BeO
C
BaO
D
CaO
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic configuration ?
A
Carbon family, [Rn] 5f14 6d10 7s2 7p2
B
Oxygen family, [Rn] 5f14 6d10 7s2 7p4
C
Nitrogen family, [Rn] 5f14 6d10 7s2 7p6
D
Halogen family, [Rn] 5f14 6d10 7s2 7p5
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