1
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
The set in which compounds have different nature is :
A
B(OH)3 and H3PO3
B
B(OH)3 and Al(OH)3
C
NaOH and Ca(OH)2
D
Be(OH)2 and Al(OH)3
2
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
The oxide that shows magnetic property is :
A
MgO
B
SiO2
C
Mn3O4
D
Na2O
3
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Amongst the following, the linear species is :
A
O3
B
Cl2O
C
N$$_3^ - $$
D
NO2
4
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
A central atom in a molecule has two lone pairs of electrons and forms three single bonds. The shape of this molecule is :
A
trigonal pyramidal
B
T-shaped
C
see-saw
D
planar triangular
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