Chemical Bonding Questions

Given below are two statements:Statement I: A hypothetical diatomic molecule with bond order zero is quite stable.Statement II: As bond order increases, the bond length increases.In the light of the above statements, choose the most appropriate answer from the options given below:

Match List - I with List - IIList-IA. ${\text{XeO}}_3$ B. ${\text{XeF}}_2$ C. ${\text{XeOF}}_4$ D. ${\text{XeF}}_6$ List-III. $s{p}^{3}d$; linearII. $s{p}^3$; pyramidalIII. $s{p}^3{d}^3$; distorted octahedralIV. $s{p}^3{d}^2$; square pyramidalChoose the correct answer from the options given below:

Identify the correct orders against the property mentioned:A. ${\text{H}}_2\text{O}>{\text{NH}}_3>{\text{CHCl}}_3$ – dipole momentB. ${\text{XeF}}_4>{\text{XeO}}_3>{\text{XeF}}_2$ – number of lone pairs on central atomC. $\text{O-H}>\text{C-H}>\text{N-O}$ – bond lengthD. ${\text{N}}_2>{\text{O}}_2>{\text{H}}_2$ – bond enthalpyChoose the correct answer from the options given below :

Which of the following are paramagnetic?A. $[NiC{l}_4{]}^{2-}$ B. $Ni(CO{)}_4$ C. $[Ni(CN{)}_4{]}^{2-}$ D. $[Ni(H_{2}O{)}_6{]}^{2+}$ E. $Ni(PP{h}_3{)}_4$ Choose the correct answer from the options given below:

The correct order of increasing bond length of $\text{C}-\text{H}$, $\text{C}-\text{O}$, $\text{C}-\text{C}$ and $\text{C}=\text{C}$ is:

Which of the two ions from the list given below have the geometry that is explained by the same hybridization of orbitals: ${\text{NO}}_2^{-}$, ${\text{NO}}_3^{-}$, ${\text{NH}}_2^{-}$, ${\text{NH}}_4^{+}$, ${\text{SCN}}^{-}$?

Which of the following has the minimum bond length?

The correct order of $\text{C-O}$ bond length among $\text{CO}$, ${\text{CO}}_3^{2-}$, ${\text{CO}}_2$ is:

Which one of the following ionic species has the greatest proton affinity to form stable compound?

In which of the following pairs, the two species are isostructural?

Which one of the following molecules contains no $\pi$ bond?

Among the following, which one is a wrong statement?

Which of the following pairs of ions is isoelectronic and isostructural?

Which of the following fluoro-compounds is most likely to behave as a Lewis base?

During change of ${\text{O}}_2$ to ${\text{O}}_2^{-}$ ion, the electron adds on which one of the following orbitals?

Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them:

Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)?

Bond order of 1.5 is shown by:

The pair of species with the same bond order is:

Which of the following species contains three bond pairs and one lone pair around the central atom?

Which of the following is paramagnetic?

${\text{XeF}}_2$ is isostructural with:

Dipole-induced dipole interactions are present in which of the following pairs?

The hybridizations of atomic orbitals of nitrogen in ${\text{NO}}_2^{+}$, ${\text{NO}}_3^{-}$ and ${\text{NH}}_4^{+}$ respectively are:

Which of the following is a polar molecule?

Which of the following molecules has the maximum dipole moment?

Which one of the following species has plane triangular shape?

Decreasing order of stability of ${\text{O}}_2,{\text{O}}_2^{-},{\text{O}}_2^{+}$ and ${\text{O}}_2^{2-}$ is:

In which of the following pairs, both the species are not isostructural?

Predict the correct order among the following:

Consider the molecules ${\text{CH}}_4,{\text{NH}}_3$ and ${\text{H}}_2\text{O}$. Which of the given statements is false?

Which one of the following compounds shows the presence of intramolecular hydrogen bond?

Which of these presents the correct order of increasing bond order?

Among the following molecules(i) ${\text{XeO}}_3$ (ii) ${\text{XeOF}}_4$ (iii) ${\text{XeF}}_6$ Those having same number of lone pairs on $\text{Xe}$ are:

Assertion : ${\text{B}}_2$ molecule is diamagnetic.Reason : The highest occupied molecular orbital is of $\sigma$ type.

In which of the following molecules are all the bonds not equal?

The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of ${\text{NH}}_3$ ($1.5\text{D}$) is larger than that of ${\text{NF}}_3$ ($0.2\text{D}$). This is because :

Which of the following species has a linear shape?

Which of the following is not a correct statement?

The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is :

Which of the following is not isostructural with ${\text{SiCl}}_4$?

The angular shape of the ozone molecule (${\text{O}}_3$) consists of:

The angular shape of molecule (${\text{O}}_3$) consists of:

The correct order of increasing bond angles in the following triatomic species is:

Which of the following descriptions regarding magnetic behavior is correct?

In the case of alkali metals, the covalent character decreases in the order:

According to $\text{MO}$ theory which of the following lists ranks the nitrogen species in terms of increasing bond order?

Which of the following molecules acts as a Lewis acid?

In which of the following molecules / ions (${\text{BF}}_3,{\text{NO}}_2^{-},{\text{NH}}_2^{-}$ and ${\text{H}}_2\text{O}$), the central atom is $s{p}^2$ hybridized?

Which one of the following species does not exist under normal conditions?

The correct order of increasing bond angles in the following species is:

In which of the following pairs of molecules/ions, the central atoms have $s{p}^2$ hybridization?

The tendency of ${\text{BF}}_3,{\text{BCl}}_3$ and ${\text{BBr}}_3$ to behave as Lewis acid decreases in the sequence:

In which one of the following species the central atom has the type of hybridisation which is not the same as that present in the other three?

Which one of the following molecular hydrides acts as a Lewis acid?

Which of the following structures is the most preferred and hence of lowest energy for ${\text{SO}}_3$?