JEE Advanced 2019 Paper 1 Offline | Chemical Bonding & Molecular Structure Question 7 | Chemistry

JEE Advanced 2019 Paper 1 Offline

MCQ (More than One Correct Answer)

-1

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.

SO₂, C₆H₅Cl, H₂Se, BrF₅

BeCl₂, CO₂, BCl₃, CHCl₃

NO₂, NH₃, POCl₃, CH₃Cl

BF₃, O₃, SF₆, XeF₆

JEE Advanced 2017 Paper 2 Offline

MCQ (More than One Correct Answer)

-1

Among the following, the correct statement(s) is (are)

$$Al{\left( {C{H_3}} \right)_3}$$ has the three-centre two-electron bonds in its dimeric structure

$$B{H_3}$$ has the three-center two-electron bonds in its dimeric structure

$$AlC{l_3}$$ has the three-center two-electron bonds in its dimeric structure

The Lewis acidity of $$BC{l_3}$$ is greater than that of $$AlC{l_3}$$

JEE Advanced 2016 Paper 2 Offline

MCQ (More than One Correct Answer)

-2

According to Molecular Orbital Theory, which of the following statements is(are) correct?

$$C_2^{2-}$$ is expected to be diamagnetic

$$O_2^{2+}$$ expected to have a longer bond length than O₂

$$N_2^+$$ and $$N_2^-$$ have the same bond order

$$He_2^+$$ has the same energy as two isolated He atoms

JEE Advanced 2016 Paper 1 Offline

MCQ (More than One Correct Answer)

-2

The compound(s) with TWO lone pairs of electrons on the central atom is(are)

BrF₅

ClF₃

XeF₄

SF₄

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