ExamSIDE
Questions
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1
JEE Main 2020 (Online) 7th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The atomic radius of Ag is closed to :
A
Au
B
Cu
C
Hg
D
Ni
2
JEE Main 2020 (Online) 7th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The electron gain enthalpy (in KJ/mol) of fluorine, chlorine, bromine and iodine, respectively are:
A
-296, -325, -333 and -349
B
349, -333, -325 and -296
C
-333, -349, -325 and -296
D
-333, -325, -349 and -296
3
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Among the following, the energy of 2s orbital is lowest in :
A
Li
B
H
C
Na
D
K
4
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
The pair that has similar atomic radii is :
A
Mo and W
B
Mn and Re
C
Ti and Hf
D
Sc and Ni
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