1
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct electronic configuration and spin-only
magnetic moment (BM) of Gd3+ (Z = 64), respectively, are :
A
[Xe]5f7 and 8.9
B
[Xe]4f7 and 7.9
C
[Xe]5f7 and 7.9
D
[Xe]4f7 and 8.9
2
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The condition that indicates a polluted environment is :
A
BOD value of 5 ppm
B
eutrophication
C
0.03% of CO2 in the atmosphere
D
pH of rain water to be 5.6
3
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the sixth period, the orbitals that are filled are :
A
6s, 5d, 5f, 6p
B
6s, 4f, 5d, 6p
C
6s, 6p, 6d, 6f
D
6s, 5f, 6d, 6p
4
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The potential energy curve for the H2 molecule as a function of internuclear distance is :
A
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Chemical Bonding & Molecular Structure Question 118 English Option 1
B
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Chemical Bonding & Molecular Structure Question 118 English Option 2
C
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Chemical Bonding & Molecular Structure Question 118 English Option 3
D
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Chemical Bonding & Molecular Structure Question 118 English Option 4
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