Hybridisation Involving d Orbitals

Q. In $Br{F}_3$ molecule, the lone pairs occupy equatorial positions to reduce

1. Bond pair-lone pair repulsion only
2. Bond pair-bond pair repulsion only
3. Lone pair-lone pair repulsion and bond pair- lone pair repulsion
4. Lone pair-lone pair repulsion only

Q. The maximum number of 90° angles between bond pair-bond pair of electrons is observed in

1. dsp² hybridization
2. sp³d hybridization
3. dsp³ hybridization
4. sp³d² hybridization

Q.

Describe the hybridisation in case of $PC{l}_5$. Why are the axial bonds longer as compared to equatorial bonds?

Q.

Shape of the molecule having ${dsp}^2$ and $d^2$${sp}^3$ hybridisation is respectively:

1. Tetrahedral and Octahedral

2. Square planar and Trigonal bipyramidal

3. Octahedral and Square planar

4. Square planar and octahedral

Q. The ‘d’- orbital involved in the hybridization in $PC{l}_5$ molecule is

1. $3d_{x^2-y^2}$
2. $3d_z^2$
3. $4d_{x^2-y^2}$
4. $3dxy$

Q.

Structure of $I{F}_4^{+}$ and hybridization of iodine in this structure are

1. $s{p}^3{d}^2$, Linear

2. $s{p}^3{d}^2$, T-shaped

3. $s{p}^{3}d$, Irregular tetrahedral

4. $s{p}^3{d}^2$, Octahedral

Q. What is the hybridization of $P{F}_5$ in solid state?

1. $s{p}^3$
2. $s{p}^3{d}^2$
3. $s{p}^{3}d$
4. Both $\left(a\right)$ and $\left(b\right)$

Q.

The actual geometry of ${\mathrm{NO}}_2^{-}$ is:

1. Planar

2. Linear

3. V-shape

4. Tetrahedral

Q. In $Xe{F}_2$ molecule, the angle between the two lone pair orbitals is $\alpha$, the angle between the lone pair orbital and the bond pair orbital is $\beta$. The angle between the bond pair orbitals $\gamma$ is:

1. $\alpha =\beta =\gamma$
2. $\alpha >\beta >\gamma$
3. $\gamma >\beta >\alpha$
4. $\gamma >\alpha >\beta$

Q. Which of the following compound(s) terminal $(2c-2e^{-})$ bonds and bridge bonds are lying in same plane?

1. $I_{2}C{l}_6$
2. $F{e}_{2}C{l}_4$
3. Solid $BeC{l}_2$
4. $G{a}_2{H}_6$

Q. In which of the following molecules is the bond angle not affected by the presence of lone pairs?

1. $I_3^{-}$
2. $Xe{F}_4$
3. $Xe{F}_2$
4. All of the above

Q.

For $\mathrm{l}=2$, how many orbitals are possible?

Q. The number of ${90}^{\circ }$ bond angles in $Br{F}_5$ is:

1. 8
2. 4
3. 0
4. 6

Q. Which of the following molecules has hybridization involving d-orbitals?

1. $S{F}_4$
2. $Xe{F}_2$
3. $Cl{F}_3$
4. All of the above

Q. Which of following molecules has the d-character in P-Cl bond?

1. $PC{l}_3$
2. $P{F}_{2}C{l}_3$
3. All of the above
4. $PC{l}_5$

Q.

In ${\mathrm{BrF}}_3$ molecule, the lone pairs occupy equatorial positions to minimize:

1. Lone pair-bond pair repulsion only

2. Bond pair-bond pair repulsion only

3. Lone pair – lone pair repulsion and lone pair-bond pair repulsion

4. Lone pair – lone pair repulsion only

Q. The d-orbitals involved in $s{p}^{3}d$ hybridisation is:

1. $d_{xy}$
2. $d_{x^2-y^2}$
3. $d_{z^2}$
4. $d_{xz}$

Q. In $Br{F}_3$ molecule, the lone pairs occupy equatorial positions to reduce

1. Bond pair-lone pair repulsion only
2. Lone pair-lone pair repulsion and bond pair- lone pair repulsion
3. Lone pair-lone pair repulsion only
4. Bond pair-bond pair repulsion only

Q.

Can ${\mathrm{Cl}}^{-}$ act as a Lewis base?

Q. Which of the following statements is true for $I{O}_2{F}_2^{-}$?

1. It is $s{p}^{3}d$ hybridised and is T-shaped
2. The lone pairs are located in the equatorial positions
3. Its structure is analogous to $S{F}_4$
4. Both (A) and (C)

Q.

${\mathrm{XeF}}_2$ is linear with two lone pairs of electrons on equatorial position

1. True
2. False

Q. The d-orbital involved in $s{p}^{3}d$ hybridisation is :

1. $d_{x^2-y^2}$
2. $d_{z^2}$
3. $d_{xy}$
4. $d_{zx}$

Q.

What is the Hybridization of the Central atom in $\mathrm{NOBr}$?

Q.

Is there free rotation around peptide bond?

Q. The statement that is true regarding $S{F}_{2}C{l}_2$ among the following is:

1. The axial bonds are longer than the equatorial bond
2. The axial bonds are shorter than the equatorial bond
3. Cl occupies the axial the bond
4. none of the above

Q. Which of the following statement is correct regarding $I_3^{-}$ ion?

1. five equatorial lone pairs on the central $I$ atom and two axial bonding pairs in a trigonal bipyramidal arrangement
2. five equatorial lone pairs on the central $I$ atom and two axial bonding pairs in a pentagonal bipyramidal arrangement
3. three equatorial lone pairs on the central $I$ atom and two axial bonding pairs in a trigonal bipyramidal arrangement
4. two equatorial lone pairs on the central $I$ atom and two axial bonding pairs in a trigonal bipyramidal arrangement

Q. What is spectrochemical series? Explain the difference between a weak field ligand and a strong field ligand

Q. In which of the following compound hybridisation of bridging atom is different from hybridisation of central atom?

1. $A{l}_2(C{H}_3{)}_6$
2. $I_{2}C{l}_6$
3. Solid $BeC{l}_2$
4. $A{l}_2(OH{)}_6$

Q.

Which HTML5 Tag Would You Use To Define Footer?

1. Bottom

2. Foot

3. Footer

4. Body

Q. $\underset{6}{C}{H}_3-\underset{5}{C}H=\underset{4}{C}H-\underset{3}{C}{H}_2-\underset{2}{C}\equiv \underset{1}{C}H$
The hybridizations of the carbons numbered 1, 3 and 5 in the given hydrocarbon are respectively:

1. $sp,s{p}^3,s{p}^2$
2. $sp,s{p}^2,s{p}^3$
3. $s{p}^3,s{p}^2,sp$
4. $s{p}^2,sp,s{p}^3$