Chemical Bonding and Molecular Structure · Chemistry · NEET

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-II

Choose the correct answer from the options given below :

Identify the correct orders against the property mentioned

A. $\mathrm{H}_2 \mathrm{O}>\mathrm{NH}_3>\mathrm{CHCl}_3$-dipole moment

B. $\mathrm{XeF}_4>\mathrm{XeO}_3>\mathrm{XeF}_2$ - number of lone pairs on central atom

C. $\mathrm{O}-\mathrm{H}>\mathrm{C}-\mathrm{H}>\mathrm{N}-\mathrm{O}-$ bond length

D. $\mathrm{N}_2>\mathrm{O}_2>\mathrm{H}_2-$ bond enthalpy

Choose the correct answer from the options given below:

Which of the following molecules has "NON ZERO" dipole moment value?

Arrange the following compounds in increasing order of their solubilities in chloroform: $$\mathrm{NaCl}, \mathrm{CH}_3 \mathrm{OH}$$, cyclohexane, $$\mathrm{CH}_3 \mathrm{CN}$$

Identify the incorrect statement about $$\mathrm{PCl}_5$$.

Match List-I with List-II:

Choose the correct answer from the options given below:

Match List I with List II.

Choose the correct answer from the options given below :

Given below are two statements:

Statement I: The boiling point of hydrides of Group 16 elements follow the order $$\mathrm{H}_2 \mathrm{O}>\mathrm{H}_2 \mathrm{Te}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{S} \text {. }$$

Statement II: On the basis of molecular mass, $$\mathrm{H}_2 \mathrm{O}$$ is expected to have lower boiling point than the other members of the group but due to the presence of extensive $$\mathrm{H}$$-bonding in $$\mathrm{H}_2 \mathrm{O}$$, it has higher boiling point.

In the light of the above statements, choose the correct answer from the options given below:

Intramolecular hydrogen bonding is present in

Match List I with List II.

Choose the correct answer from the options given below:

Identify the correct answer.

The correct order of dipole moments for molecules $$\mathrm{NH}_3, \mathrm{H}_2 \mathrm{~S}, \mathrm{CH}_4$$ and $$\mathrm{HF}$$, is:

Which one of the following represents all isoelectronic species ?

Which one of the following statements is incorrect related to Molecular Orbital Theory?

Given below are two statements:

Statement I : Hydrated chlorides and bromides of $$\mathrm{Ca}, \mathrm{Sr}$$ and $$\mathrm{Ba}$$ on heating undergo hydrolysis.

Statement II : Hydrated chlorides and bromides of $$\mathrm{Be}$$ and $$\mathrm{Mg}$$ on heating undergo dehydration.

In the light of the above statements, choose the correct answer from the options given below :

Amongst the following, the total number of species NOT having eight electrons around central atom in its outer most shell, is

$$\mathrm{NH}_{3}, \mathrm{AlCl}_{3}, \mathrm{BeCl}_{2}, \mathrm{CCl}_{4}, \mathrm{PCl}_{5}$$ :

The correct order of energies of molecular orbitals of $$\mathrm{N}_{2}$$ molecule, is

Taking stability as the factor, which one of the following represents correct relationship?

Intermolecular forces are forces of attraction and repulsion between interacting particles that will include:

A. dipole - dipole forces.

B. dipole - induced dipole forces

C. hydrogen bonding

D. covalent bonding

E. dispersion forces

Choose the most appropriate answer from the options given below :

Match List-I with List-II :

Choose the correct answer from the options given below :

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

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)

Assertion (A) : ICI is more reactive than I₂

Reason (R) : I-CI bond is weaker than I-I bond.

In the light of the above statements, choose the most appropriate answer from the options given below:

Amongst the following which one will have maximum 'lone pair - lone pair' electron repulsions?

Which amongst the following is incorrect statement?