1
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Two pi and half sigma bonds are present in :
A
O2
B
N$$_2^ + $$
C
O$$_2^ + $$
D
N2
2
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The type of hybridisation and number of lone pair (s) of electrons of Xe in XeOF4, respectively, are:
A
sp3d and 2
B
sp3d2 and 2
C
sp3d and 1
D
sp3d2 and 1
3
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In which of the following process, the bond order has increased and paramagnetic character has charged to diamagnetic ?
A
NO $$ \to $$ NO+
B
N2 $$ \to $$ N2+
C
O2 $$ \to $$ O2+
D
O2 $$ \to $$ O22$$-$$
4
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
According to molecular orbital theory, which of the following is true with respect to Li2+ and Li2$$-$$ ?
A
$$Li_2^ + $$ is unstable and $$Li_2^ - $$ is stable
B
$$Li_2^ + $$ is stable and $$Li_2^ - $$ unstable
C
Both are stable
D
Both are unstable
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