1
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the pair in which the geometry of the species is $$T$$-shape and square - pyramidal, respectively :
A
ClF3 and $$I{O_4}^ - $$
B
ICl2- and ICl5
C
XeOF2 and XeOF4
D
IO3- and IO2F2-
2
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In graphite and diamond, the percentage of p-characters of the hybrid orbitals in hybridisation are respectively :
A
33 and 25
B
33 and 75
C
50 and 75
D
67 and 75
3
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For Na+, Mg2+, F- and O2-; the correct order of increasing ionic radii is :
A
O2- < F- < Na+ < Mg2+
B
Na+ < Mg2+ < F- < O2-
C
Mg2+ < Na+ < F- < O2-
D
Mg2+ < O2- < Na+ < F-
4
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is a Lewis acid?
A
PH3
B
B(CH3)3
C
NaH
D
NF3

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