1
JEE Advanced 2024 Paper 1 Online
MCQ (More than One Correct Answer)
+4
-2
Change Language

The option(s) in which at least three molecules follow Octet Rule is(are)

A
$\mathrm{CO}_2, \mathrm{C}_2 \mathrm{H}_4, \mathrm{NO}$ and $\mathrm{HCl}$
B
$\mathrm{NO}_2, \mathrm{O}_3, \mathrm{HCl}$ and $\mathrm{H}_2 \mathrm{SO}_4$
C
$\mathrm{BCl}_3, \mathrm{NO}, \mathrm{NO}_2$ and $\mathrm{H}_2 \mathrm{SO}_4$
D
$\mathrm{CO}_2, \mathrm{BCl}_3, \mathrm{O}_3$ and $\mathrm{C}_2 \mathrm{H}_4$
2
JEE Advanced 2019 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules posses permanent dipole moment at room temperature.
A
SO2, C6H5Cl, H2Se, BrF5
B
BeCl2, CO2, BCl3, CHCl3
C
NO2, NH3, POCl3, CH3Cl
D
BF3, O3, SF6, XeF6
3
JEE Advanced 2016 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
According to Molecular Orbital Theory, which of the following statements is(are) correct?
A
$$C_2^{2-}$$ is expected to be diamagnetic
B
$$O_2^{2+}$$ expected to have a longer bond length than O2
C
$$N_2^+$$ and $$N_2^-$$ have the same bond order
D
$$He_2^+$$ has the same energy as two isolated He atoms
4
JEE Advanced 2016 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
The compound(s) with TWO lone pairs of electrons on the central atom is(are)
A
BrF5
B
ClF3
C
XeF4
D
SF4
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