1
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
The intermolecular potential energy for the molecules A, B, C and D given below suggests that : JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Chemical Bonding & Molecular Structure Question 85 English
A
A-B has the stiffest bond
B
A-D has the shortest bond length
C
A-A has the largest bond enthalpy
D
D is more electronegative than other atoms
2
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
The incorrect statement is :
A
In manganate and permanganate ions, the p-bonding takes place by overlap of p-orbitals of oxygen and d-orbitals of manganese
B
Manganate ion is green in colour and permanganate ion in purple in colour
C
Manganate and permanganate ions are paramagnetic
D
Manganate and permanganate ions are tetrahedral
3
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Consider the following molecules and statements related to them : JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Chemical Bonding & Molecular Structure Question 86 English
(a) (B) is more likely to be crystalline than (A)
(b) (B) has higher boiling point than (A)
(c) (B) dissolves more readily than (A) in water

Identify the correct option from below :
A
only (a) is true
B
(a), (b) and (c) are true
C
(b) and (c) are true
D
(a) and (b) are true
4
JEE Main 2020 (Online) 3rd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Of the species, NO, NO+, NO2+ and NO- , the one with minimum bond strength is :
A
NO
B
NO
C
NO+
D
NO2+
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