LMS

Which one of the following compounds does not obey Octet rule

Which one of the following molecules has the highest dipole moment

Covalent bond may be regarded as_____

In NH₃ and NF₃ molecules the bond angle is

All the atoms are coplanar in the molecule______

Bonding in phosphonium ion is _________ percent covalent

Formation of MgO is an example of

The bond between H-H is

Which hybrid orbitals are used for bonding in triangular pyramidal molecule

The hybridization state of ‘S’ in SO₃ is similar to that of

Which of the following is NOT tetrahedral?

H−O−H bond angle in H₂O is 104.5 ^o and not 109.5 ^o because of

Greater the dipole moment

Which one is correct dot and cross diagram of CO₂

The electron affinity is the measure of the attraction of the nucleus of an atom for

The ionization energies of an element are given below
The element X may belong to

Which of following pair contains iso-structural species

An orbital which is spherically symmetrical is

Which of the following compounds is non-polar

How many unshared pairs of electrons are present in the outer shell of the central atom of NH₃

Which one of the following substances will have hydrogen bonding as one of its intermolecular forces among it self

Hybridization is the extended form of ________ theory

The first four ionization energies of an element Z are 738, 1451, 7730 and 10541 kJ/mol. Which one of the following ions is most likely to be formed when Z reacts with fluorine

Which one of the following processes requires the highest amount of energy

CH₄ is a nonpolar molecule. Which of the following similar molecules is also non-polar

The I.E. of nitrogen is more than that of oxygen due to the

The elements of group __________shows abnormal low values of electron affinity in every period of periodic table

The incorrect statement among the following is

Which group of periodic table shows generally abnormal trends in ionization energy

Which one of the following has maximum bond angle?

A compound which is most ionic in nature

In which of the following molecules all bonds are polar but molecule is non-polar

Total number of sigma electrons in one molecule of HC CH

Number of bonds in N2 molecule is/are

All of the following pairs have same shapes and same hybridization except

The carbon number 2 in the structure shows a type of hybridization

Which factor does not effect I.E. across the period

Atomic radius can be determined with the help of

The percentage of s-character in hybrid orbital which indicates shortest bond length

Bond length decreases with

A regular hexagonal crystalline lattice of ice is mostly formed by

In the resonance structure of benzene the number of s-bonds and p delocalized electrons are respectively

The bond energy of Cl – Cl bond is

The VSEPR theory explains the ________ of molecules

The hybridization associated with the central atom of a molecule in which all the bond angles are 120° is

Choose the species that is incorrectly matched with the shape of the central atom

The correct order of ionic radius is

A compound which has all the three types of chemical bonds

First electron affinity is maximum for

The shape of is