Question # 1

The tendency of an atom to attract shared electron pair towards itself is called

Choose an answer

Covelent bond

Electronegativity

Ionization potential

Electronic affinity

Atomic number of Al is 13. When it forms ionic bond with oxygen the number of electrons lost by 1 Al atom is

Choose an answer

1

2

3

4

Which carbon is more electronegative?

Choose an answer

sp³- hybridized carbon

sp-hybridized carbon

sp²-hybridized carbon

always same irrespective of its hybrid state

Molecular orbital picture of N₂indicates

Choose an answer

One unpaired electron

Two unpaired electron

No unpaired electron

None of these

Ionization energies increase from left to right along the period due to

Choose an answer

Increase in nuclear charge

Repulsion of electron increases

Repulsion of protons increase

Atomic size increase along the period

During the formation of a chemical bond the potential energy of the system

Choose an answer

Decreases

Increases

Does not change

None of these

From the difference between expected bond energies for the normal covalent bond and experimentally determined values Pauling calculated the values of

Choose an answer

Ionization potential of elements

Electron affinity of elements

Electronegativity of elements

Bond length

The force which holds the atoms together to form a compound is called

Choose an answer

A chemical bond

Van der waal's force

Dispersion force

London force

The number of antibonding electron pairs in O^2-molecular ion on the basis of MOT is

Choose an answer

4

3

2

5

Ca, Mg, Be, Ba, belong to the same group, the order of their ionization energy values is

Choose an answer

Be > Mg> Ca > Ba

Ba > Ca > Mg > Be

Ca > Mg > Be > Ba

Ba > Mg > Ca > Be

The electronegativity of elements in a period from left to right

Choose an answer

Decreases

Increases

First decreases then increases

First increases then decreases

The covalent bonds are

Choose an answer

Unidirectional

Bi-directional

Non-directional

Multi-directional

Which of the following has highest bond order

Choose an answer

Which of the following is a polar molecules

Choose an answer

Carbon dioxide

Carbon tetrachloride

Methanol

Ethane

Which of the following hydrides has the lowest boiling point?

Choose an answer

H₂O

H₂S

H₂S3

H₂Te

Size of an anion is increased as compared to its atom because of the

Choose an answer

Addition of new shell

Repulsion of electrons in the valence shell

Decrease in nuclear charge

Increase in the unclear charge

The shape of methanol, ammonia and water molecule can be explained by assuming

Choose an answer

Sp³hybridization

Sp²hybridization

Sp hybridization

All of these

Which of the following has zero depole-moment?

Choose an answer

CIF

PCl₃

SiF₄

CFCl₄

Which of the following molecules have its central atom sp²hybridized

Choose an answer

CH₄

C₂H₂

C₂H₄

CCl₄

Atoms obey octet rule by sharing-electrons making covalent bonds according to

Choose an answer

Lewis and Kossal theory

Valance bond theory

VSEPR theory

Molecular orbital theory

Generally the bond formed by metals with non-metals is

Choose an answer

Ionic

Covalent

Polar

Non- polar

The overlapping of two partially filled atomic orbital is in such a way that the probability of finding the electron pair is maximum along the axis joining the two nuclei, the bond is

Choose an answer

Sigma bond

Pi bond

Ionic bond

Non-polar bond

Which of the following statements is not correct regarding bonding molecular orbitals?

Choose an answer

Bonding molecular orbitals possess less energy than atomic orbitals from which they are formed

Bonding molecular orbitals have low electron density between the two nuclei

Every electron in the bonding molecular orbitals contributes to the attraction between atoms

Bonding molecular orbitals are formed when the electron waves undergo constructive interference

Among the alkaline earth metals the element forming predominantly covalent compounds is

Choose an answer

Be

Mg

Sr

calcium

The formation of compounds like PF₅, BCI₃, SF₆indicates that

Choose an answer

These halides are ionic

These halides are covalent

They are Lewis acids

Octet rule not obeyed so the rule is not universal

According to VSEPR theory, the shape of the water molecule is

Choose an answer

Octahedral

Distorted tetrahedral

Planar triangle

Linear

Hydrogen chloride molecule contains

Choose an answer

Covalent bond

Double bond

Co-ordinate bond

Electrovalent bond

XeF₄has shape of

Choose an answer

Sphere

Trigonal bipyramidal

Tetrahedral

Square planar

Number of sigma bonds in P₄O₁₀is

Choose an answer

6

7

17

16

Which of the following species has unpaired electrons in antibonding molecular orbitals

Choose an answer

Shape of CIO₃is

Choose an answer

Triangular pyramidal

Tetrahedral

Triangular planar

Triangular bipyramidal

More Classes

Other Links

ECAT Chemistry Chapter 6 Chemical Bonding Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer