Chemical Bonding and Molecular Structure · Chemistry · NEET

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, $$...

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

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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}_...

Intramolecular hydrogen bonding is present in

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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 h...

Amongst the following, the total number of species NOT having eight electrons around central atom in its outer most shell, is $$\mathrm{NH}_{3}, \math...

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 - i...

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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...

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

Which amongst the following is incorrect statement?

BF3 is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are :

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The correct sequence of bond enthalpy of 'C-X' bond is :

Which of the following molecules is non-polar in nature?

Which of the following set of molecules will have zero dipole moment?

Identify a molecule which does not exist.

Which of the following diatomic molecular species has only $$\pi $$ bonds according to Molecular Orbital Theory?

The correct structure of tribromooctaoxide is :

The manganate and permanganate ions are tetrahedral due to :

The number of sigma ($$\sigma $$) and pi ($$\pi $$) bonds in pent-2-en-4-yne is -

In the structure of ClF3 , the number of lone pairs of electrons on central atom ‘Cl’ is

Consider the following species : CN+ , CN– , NO and CN. Which one of these will have the highest bond order?

Which one of the following pairs of species have the same bond order ?

The species, having bond angles of 120o is

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

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

Among the following, which one is a wrong statement ?

The correct geometry and hybridization for XeF4 are

Predict the correct order among the following :

Consider the molecules CH4, NH3 and H2O. Which of the given statements is false?

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

Decreasing order of stability of O2, O2$$-$$, O2+ and O22$$-$$ is

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

Which of the following species contains equal number of $$\sigma $$- and $$\pi $$-bonds ?

Which of the following options represents the correct bond order ?

Maximum bond angle at nitrogen is present in which of the following ?

The correct bond order in the following species is

Which one of the following species has plane triangular shape ?

Which of the following molecules has the maximum dipole moment ?

In which of the following pair both the species have sp3 hybridization ?

The pair of species that has the same bond order in the following is

The outer orbitals of C in ethane molecule can be considered to be hybridized to give three equivalent sp2 orbitals. The total number of sigma $$\left...

In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic.

Which of the following is paramagnetic?

Which of the following is a polar molecule?

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

XeF2 is isostructural with

Which of the following is electron-deficient ?

Identify the correct order of solubility in aqueous medium.

During change of O2 to 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

Bond order of 1.5 is shown by

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

The pair of species with the same bond order is

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

Which of the following structures is the most preferred and hence of lowest energy for SO3?

The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?

The pairs of species of oxygen and their magnetic behavior are noted below. Which of the following presents the correct description?

Which of the two ions from the list given below that have the geometry that is explained by the same hybridization of orbitals, NO$$_2^ - $$. NO$$_3^...

The correct order of increasing bond length of C $$-$$ H, C $$-$$ O, C $$-$$ C and C$$=$$C is

Which of the following has the minimum bond length ?

In which of the following molecules the central atom does not have sp3 hybridization?

Some of the properties of the two species, $$NO_3^ - $$ and $${H_3}{O^ + }$$ are described below. Which one of them is current?

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

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

In which of the following pairs of molecules/ ions, the central atoms have sp2 hybridisation ?

According to MO theory which of the lists ranks the nitrogen species in terms of increasing bond order ?

In which of the following molecules/ions BF3, NO$$_2^ - $$, NH$$_2^ - $$ and H2O, the central atom is sp2 hybridised? ...

What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas?

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

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

The correct order of C $$-$$ O bond length among CO, CO$${_3^{2 - }}$$, CO2 is

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

The electronegativity difference berween N and F is greater than that between N and H yet the dipole moment of NH3 (1.5D) is larger than that of NF3 (...

Which of the following is not a correct statement?

Which of the following is not isostructural with SiCl4 ?

Which of the following species has a linear shape?

The correct sequence of increasing covalent character is represented by

Which of the following would have a permanent dipole moment?

The surface tension of which of the following liquid is maximum ?

Which of the following molecules has trigonal planar geometry?

The correct order in which the O $$-$$ O bond length increases in the following is

In BrF3 molecule, the lone pairs occupy equatorial positions to minimize

Among the following, the pair in which the two species are not isostructural is

H2O is dipolar, whereas BeF2 is not. It is because

In a regular octahedral molecule, MX6 the number of X $$-$$ M $$-$$ X bonds at 180o is

Which one of the following statements is not correct for sigma- and pi- bonds formed between two carbon atoms?

Which of the following has p$$\pi $$ $$-$$ d$$\pi $$ bonding?

In NO3$$-$$ ion number of bond pair and lone pair of electrons on nitrogen atom are

Which of the following is isoelectronic?

In X - H --- Y, X and Y both are electronegative elements. Then

In which of the following bond angle is maximum ?

Nitrogen forms N2, but phosphorus does not form P2, however, it converts P4, reason is

Which of the following two are isostructural?

Which species does not exhibit paramagnetism?

Which compound has planar structure?

Right order of dissociation energy N2 and N2+ is

d$$\pi $$ $$-$$ p$$\pi $$ bond present in

Which of the following pairs of compounds is isostructural ?

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