1
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The degenerate orbitals of [Cr(H2O)6]3+ are :
A
dx2 and dxz
B
dxz and dyz
C
dyz and dz2
D
dx2 - y2 and dxy
2
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of the oxidation states of nitrogen in NO, N2O, NO2 and N2O3 is :
A
NO2 < NO < N2O3 < N2O
B
NO2 < N2O3 < NO < N2O
C
N2O < NO < N2O3 < NO2
D
N2O < N2O3 < NO < NO2
3
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is :
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 114 English
A
CH3CD2CH(Cl)(I)
B
CH3CD(Cl)CHD(I)
C
CH3C(I)(Cl)CHD2
D
CH3CD(I)CHD(Cl)
4
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The element having greatest difference between its first and second ionization energies, is :
A
Ba
B
Ca
C
Sc
D
K
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