Chemical Bonding & Molecular Structure

The correct order of ONO bond angle in the given species is :

Consider the following species:
SOCl$_2$, XeOF$_4$, ClF$_3$, ClF$_5$, XeF$_5^+$, SO$_3^{2-}$, XeF$_3^+$, SF$_4$
List-I contains different molecular shapes and List-II contains total number of species with the same molecular shapes from the ...

The correct order of dipole moments for the given species is

The correct statement(s) about intermolecular forces is(are)

Regarding the molecular orbital (MO) energy levels for homonuclear diatomic molecules, the INCORRECT statement(s) is(are)

Based on VSEPR model, match the xenon compounds given in List-I with the corresponding geometries and the number of lone pairs on xenon given in List-II and choose the correct option.


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

Consider the following molecules: $\mathrm{Br}_3 \mathrm{O}_8, \mathrm{~F}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{S}_4 \mathrm{O}_6, \mathrm{H}_2 \mathrm{S}_5 \mathrm{O}_6$, and $\mathrm{C}_3 \mathrm{O}_2$. Count the number of atoms existing in...

Among $\left[\mathrm{I}_3\right]^{+},\left[\mathrm{SiO}_4\right]^{4-}, \mathrm{SO}_2 \mathrm{Cl}_2, \mathrm{XeF}_2, \mathrm{SF}_4, \mathrm{ClF}_3, \mathrm{Ni}(\mathrm{CO})_4, \mathrm{XeO}_2 \mathrm{~F}_2,\left[\mathrm{PtCl}_4\right]^{2-}, \...

The correct molecular orbital diagram for $\mathrm{F}_2$ molecule in the ground state is :

Consider the following compounds in the liquid form :O2, HF, H2O, NH3, H2O2, CCl4, CHCl3, C6H6, C6H5ClWhen a charged comb is brought near their flowing stream, how many of them show deflection as per the following figure?

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.

Among \({H_2},H{e_2}^ + ,L{i_2},\) \(B{e_2},{B_2},{C_2},{N_2},O_2^ -\) and \({F_2},\) the number of diamagnetic species is
(Atomic numbers : \(H = 1,He = 2,\) \(Li = 3,Be = 4,\) \(B = 5,C = 6,\) \(N = 7,\) \(O = 8,F = 9\))

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

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

Among the triatomic molecules/ions, BeCl2, \(N_3^-\), N2O, \(NO_2^+\), O3, SCl2, \(ICl_2^-\), \(I_3^-\) and XeF2, the total number of linear molecule(s)/ion(s) where the hybridization of the central atom does not have contribution from the ...

Assuming 2s – 2p mixing is NOT operative, the paramagnetic species among the following is

Match the orbital overlap figures shown in List I with the description given in List II and select the correct answer using the code given below the lists.

A list of species having the formula XZ4 is given below.
XeF4, SF4 ,SiF4, \(BF_4^-\), \(BrF_4^-\), [Cu(NH3)4]2+, [FeCl4]2-, [CoCl4]2- and [PtCl4]2-
Defining shape on the basis of the location of X and Z atoms, the total number of species ha...

Hydrogen bonding plays a central role in the following phenomena

The shape of XeO2F2 molecule is

Assuming that Hund’s rule is violated, the bond order and magnetic nature of the diatomic molecule B2 is

The species having pyramidal shape is

Based on VSEPR theory, the number of 90 degree F-Br-F angles in BrF5 is

Match each of the diatomic molecules in Column I with its property/properties in Column II:

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Statement 1 : Boron always forms covalent bond.
Statement 2 : The small size of B\(^{3+}\) favours formation of covalent bond.

Among the following the paramagnetic compound is:

The species having bond order different from that in CO is :

The species having bond order different from that in CO is

Among the following the paramagnetic compound is

Which species has the maximum number of lone pair of electrons on the central atom?

Given : that \({\mu _{obs}} = \sum {{\mu _i}\,{x_i}}\) where \({\mu _i}\) is the dipole moment of stable conformer and \({x_i}\) is the mole fraction of that conformer.
(A) Write stable conformer for Z-CH\(_2\)-CH\(_2\)-Z in Newman's proje...

Predict whether the following molecules are iso-structural or not. Justify your answer.
(A) NMe\(_3\)
(B) N(SiMe\(_3\))\(_3\)

According to molecular orbital theory which of the following statement about the magnetic character and bond order is correct regarding \(O_2^+\)

Arrange the following :
In the decreasing order of the O - O bond length present in them
O2, KO2 and O2[AsF4]

Draw the structure of XeF4 and OSF4 according to VSEPR theory clearly indicating the state of hybridisation of the central atom and lone pair of electrons (if any) on the central atom.

Using VSEPR theory deduce the structures of PCl5 and BrF5

Which of the following molecular species has unpaired electrons(s)?

The common features among the species CN-, CO and NO+ are :

The hybridisation of atomic orbitals of nitrogen in \(NO_2^+\), \(NO_3^-\) and \(NH_4^+\) are

Molecular shape of SF4, CF4 and XeF4 are

Write down the M.O. electron distribution of O2. Specify its bond order and magnetic property.

The geometry of H2S and its dipole moment are

The correct order of increasing C - O bond length of CO, \(CO_3^{2-}\), CO2 is

Interpret the non-linear shape of H2S molecule and non-planar shape of PCl3 using valence shell electron pair repulsion (VSEPR) theory. (Atomic numbers : H = 1, P = 15, S = 16, Cl = 17)

Read the following Assertion and Reason and answer as per the options given below
Assetion: LiCl is predominantly a covalent compound
Reason : Electronegativity difference between Li and Cl is too small

The geometry and the type of hybrid orbital present about the central atom in BF3 is

A compound of vanadium has a magnetic moment of 1.73 BM. Work out the electronic configuration of the vanadium ion in the compound.

Which contains both polar and non-polar bonds?

The critical temperature of water is higher than that of O2 because the H2O molecule has