1
JEE Main 2020 (Online) 2nd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Match the type of interaction in column A with the distance dependence of their interaction energy in column B
A B
(i) ion-ion (a) $${1 \over r}$$
(ii) dipole-dipole (b) $${1 \over {{r^2}}}$$
(iii) London dispersion (c) $${1 \over {{r^3}}}$$
(d) $${1 \over {{r^6}}}$$
A
(I)-(a), (II)-(b), (III)-(d)
B
(I)-(b), (II)-(d), (III)-(c)
C
(I)-(a), (II)-(b), (III)-(c)
D
(I)-(a), (II)-(c), (III)-(d)
2
JEE Main 2020 (Online) 2nd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
The molecular geometry of SF6 is octahedral. What is the geometry of SF4 (including lone pair(s) of electrons, if any)?
A
Tetrahedral
B
Trigonal bipyramidal
C
Square planar
D
Pyramidal
3
JEE Main 2020 (Online) 2nd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
The shape / structure of [XeF5] and XeO3F2, respectively, are
A
Pentagonal planar and trigonal bipyramidal
B
Trigonal bipyramidal and pentagonal planar
C
Octahedral and square pyramidal
D
Trigonal bipyramidal and trigonal bipyramidal
4
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
If AB4 molecule is a polar molecule, a possible geometry of AB4 is
A
Tetrahedral
B
see-saw
C
Square pyramidal
D
Square planar
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