1
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The correct order of atomic radii is -
A
Ho > N > Eu > Ce
B
Ce > Eu > Ho > N
C
N > Ce > Eu > Ho
D
Eu > Ce > Ho > N
2
JEE Main 2019 (Online) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The element with Z = 120 (not yet discovered) will be an/a -
A
Alkaline earth metal
B
Alkali metal
C
Transition metal
D
Inner transition metal
3
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The correct option with respect to the Pauling electronegativity values of the element is :
A
Ga < Ge
B
Si < Al
C
Te > Se
D
P > S
4
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The relative stability of +1 oxidation state of group 13 elements follows the order :
A
Tl < In < Ga < Al
B
Al < Ga < TI < In
C
AI < Ga < In < TI
D
Ga < AI < In < TI
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