Chemical Bonding & Molecular Structure

Which one of the following compounds has sp2 hybridization?

When N2, the N-N bond distance _____ and when O2 goes to \(O_2^+\) the O-O bond distance ___.

Among the following species, identity the isostructural pairs NF3, \(NO_3^-\), BF3, H3O+ , HN3

The number and type of bonds between two carbon atoms in CaC2 are:

Which one is most ionic

Number of paired electrons in O2 molecules is

The two types of bond present in B2H6 are covalent and _______.

Using the VSEPR theory, identify the type of hybridization and draw the structure of OF2. What are the oxidation states of O and F?

The dipole moment of CH3F is greater than of CH3Cl

The dipole moment of KCl is 3.336 \(\times\) 10-29 Coulomb meters which indicates that it is a highly polar molecule. The interatomic distance between K+ and Cl- in this molecule is 2.6 \(\times\) 10-10. Calculate the dipole moment of KCl m...

Pick out the isoelectronic structures from the following
I. \(CH_3^+\) II. \(H_3O^+\)
III. \(NH_3\)
IV. \(CH_3^-\)

Which of the following have identical bond order?

The type of hybrid orbitals used by the chlorine atom in \(ClO_2^-\) is

The molecules that will have dipole moment are

The maximum number of hydrogen bonds a water molecule can form is

The cyanide ion, CN- and N2 are isoelectronic, But in contrast to CN-, N2 is chemically inert, because of

The linear structure is assumed by :

Arrange the following :
Increasing strength of hydrogen bonding (X-H-X):
O, S, F, Cl, N

The shape of [CH3]+ is _____.

The presence of polar bonds in a poly-atomic molecule suggests that the molecule has non-zero dipole moment.

Which of the following is paramagnetic?

The compound in which \(\mathop C\limits^*\) uses its sp3 hybrid orbitals for bond formation is

The molecule which has zero dipole moment is:

The molecule which has pyramidal shape is

The species in which the central atom uses sp2 hybrid orbitals in its bonding is

The molecule that has linear structure is

Arrange the following :
N2, O2, F2, Cl2 in increasing order of bond dissociation energy

Hydrogen bond is maximum in

In benzene, carbon uses all the three p-orbitals for hybridisation.

sp2 hybrid orbitals have equal s and p character.

Write the lewis dot structure of the following:
O3, COCl2

CO2 is isostructural with

The hybridisation of sulphur in sulphur dioxide is

The bond between two identical non-metal atoms has a pair of electrons

The hydrogen bond is strongest in

The molecule having one unpaired electron is

How many sigma bonds and how many pi-bonds are present in a benzene molecule?

SnCl2 is a non-linear molecule

All molecules with polar bonds have dipole moment.

On hybridization of one s and one p orbitals we get:

The types of bonds present in CuSO4.5H2O are only

Carbon tetrachloride has no net dipole moment because of

Linear overlap of two atomic p-orbitals leads to a sigma bond.

Which one among the following does not have the hydrogen bond?

____ hybrid orbitals of nitrogen atom are involved in the formation of ammonium ion.

Among the following, the molecule that is linear is

The compound with no dipole moment is

There are ______ \(\pi\) bonds in a nitrogen molecule.

If a molecule MX3 has zero dipole moment, the sigma bonding orbitals used by M (atomic number < 21) are

The angle between two convalent bonds is maximum in ________. (CH4, H2O, CO2)