Bond Parameters

For phenol, which of the following resonating structure is the most stable?

Among these canonical structures, the correct order of stability is

Bond formation is :

Which of the following statements are true.

(i) In the structure of  ${\text{HNO}}_{\text{3}},$  the  $\text{N}-\text{O}$  bond $\left(121\text{pm}\right)$ is shorter than the  $\text{N}-\text{OH}$  bond $\left(\mathrm{140 }\text{pm}\right).$

(ii) All the  $\text{P}-\text{Cl}$  bonds in  ${\text{PCl}}_{\text{5}}$  are not equivalent.

(iii)  $\text{I}-\text{Cl}$  is more reactive than  ${\text{I}}_2.$

In the compound, , the  $C2-C3$ bond is of the type –

Among the following, the molecule with the highest dipole moment is

Which of the following compounds, hydrocarbons, has the lowest dipole moment?

Among the following chloro-compound having the lowest dipole moment is: 

The number of following factors which affect the percent covalent character of the ionic bond is______

A) Polarising power of cation

B) Extent of distortion of anion

C) Polarisability of the anion

D) Polarising power of anion

The bond order and magnetic property of acetylide ion are same as that of

Consider the following statement

(A) ${\mathrm{NF}}_3$ molecules has a trigonal planar structure.

(B) Bond Length of ${\mathrm{N}}_2$ is shorter than ${\mathrm{O}}_2$.

(C) Isoelectronic molecules or ions have identical bond order.

(D) Dipole moment of ${\mathrm{H}}_2\mathrm{S}$ is higher than that of water molecule.

Choose the correct answer from the options given below:

Which one of the following pairs is an example of polar molecular solids?

The pair from the following pairs having both compounds with net non-zero dipole moment is

The number of following factors which affect the percent covalent character of the ionic bond is______

How many factors will contribute to major role in covalent character of a compound?

a. Polarising power of cation

b. Polarisability of the anion

c. Distortion caused by cation

d. Polarisability of cation

What is Fajan rule?

Write resonance structure of ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{CHO}$. 

What is dipolarisation?

Assuming the bond direction to be $\mathrm{Z}-$axis, which of the overlapping of atomic orbitals of two atoms $\mathrm{A} \mathrm{and} \mathrm{B}$ will be result in bonding:

 $\left(\mathrm{I}\right)$s orbital of $\mathrm{A}$ and ${\mathrm{p}}_{\mathrm{x}}$  orbital of $\mathrm{B}$

$\left(\mathrm{II}\right)$ s orbital of $\mathrm{A}$ and ${\mathrm{p}}_{\mathrm{z}}$ orbital of $\mathrm{B}$

$\left(\mathrm{III}\right) {\mathrm{p}}_{\mathrm{y} }$orbital of $\mathrm{A}$and ${\mathrm{p}}_{\mathrm{z}}$ orbital of $\mathrm{B}$

$\left(\mathrm{IV}\right)$s- orbitals of $\mathrm{A} \mathrm{and} \mathrm{B}$