1
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
The deposition of X and Y on ground surfaces is referred as wet and dry depositions, respectively. X and Y are :
A
X = Ammonium salts, Y = CO2
B
X = SO2, Y = Ammonium salts
C
X = Ammonium salts, Y = SO2
D
X = CO2, Y = SO2
2
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following correctly represents the order of stability of oxides, X2O; (X = halogen)?
A
Br > Cl > I
B
Br > I > Cl
C
Cl > I > Br
D
I > Cl > Br
3
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
In the structure of the dichromate ion, there is a :
A
linear symmetrical Cr-O-Cr bond.
B
non-linear symmetrical Cr-O-Cr bond.
C
linear unsymmetrical Cr-O-Cr bond.
D
non-linear unsymmetrical Cr-O-Cr bond.
4
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following metals forms interstitial hydride easily?
A
Cr
B
Fe
C
Mn
D
Co
JEE Main Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEE
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Medical
NEET