1
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The covalent alkaline earth metal halide (X = Cl, Br, I) is :
A
CaX2
B
SrX2
C
MgX2
D
BeX2
2
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Among the following molecules / ions, $$C_2^{2 - },N_2^{2 - },O_2^{2 - },{O_2}$$ which one is diamagnetic and has the shortest bond length?
A
$${O_2}$$
B
$$C_2^{2 - }$$
C
$$N_2^{2 - }$$
D
$$O_2^{2 - }$$
3
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statement about ICl5 and $$ICl_4^-$$ is
A
ICl5 is square pyramidal and $$ICl_4^-$$ is square planar.
B
ICl5 is trigonal bipyramidal and is tetrahedral.
C
ICl5 is square pyramidal and $$ICl_4^-$$ is tetrahedral
D
Both are isostructural.
4
JEE Main 2019 (Online) 10th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The pair that contains two P – H bonds in each of the oxoacids is
A
H3PO2 and H4P2O5
B
H4P2O5 and H4P2O6
C
H4P2O5 and H3PO3
D
H3PO3 and H3PO2
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