Question # 1

Which for the following has no dipole moment

Choose an answer

HCI

H₂S

H₂O

CO₂

In a group the atomic size increase downward due to

Choose an answer

Addition of electronic shells

Increase in the proton number

Repulsion of electrons

All of the above

In which of the following theories the hybridizationis considered

Choose an answer

Vsepr

Lewis

Molecule orbital

Valence bond

Which is made by coordinate covalent bond

Choose an answer

H₃O⁺

H₂O

CH₄

HCl

The atomic radius of hydrogen is 37

Choose an answer

Pecometer

Manometer

Angstrom

Micrometer

SnCI₂have ______ shape

Choose an answer

Planner

Tetrahedral

Angular

None

Covalent compounds are soluble in

Choose an answer

Polar solvents

Non-polar solvents

Concentrated acids

All solvents

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

Choose an answer

Decreases

Increases

Does not change

None of these

The electronegativeities of F,Cl,Br and I are 4.0,3.0,2.8,2.5 respectively.Hydrogen halide with a high percentage of ionic character is

Choose an answer

HF

HCL

HBr

HI

The nature of interparticle forces in benzene is

Choose an answer

Dipole-dipole interaction

Dispersion force

Ion-dipole interaction

H-bonding

The covalent bonds are

Choose an answer

Unidirectional

Bi-directional

Non-directional

Multi-directional

Which of the following molecules has unpaired electrons in anti-bonding molecular orbitals?

Choose an answer

O₂

N₂

Br₂

F₂

Shielding effect intervening electrons causes

Choose an answer

Decreases in atomic radii in a period from right to left

Increase in atomic radii in a period from left to righ t

Decrease in atomic radii down the group

Increase in atomic radii down the group

Electronegativity values of the elements F, CI and Br vary

Choose an answer

F > CI > Br

Br > CI > F

Cl > Br > F

CI > F > Br

The degree of polarity of molecule is known as its

Choose an answer

Dipole moment

Moment arm

Bond energy

Ionic character

Which of the following has unchanged valency?

Choose an answer

H

Na

Fe

Oxygen

In sp²hybridization bond angle is _____

Choose an answer

120°

180°

109.5°

None

The ionic bonds are

Choose an answer

Unidirectional

Bi-directional

Non-directional

Multi-directional

Generally electron affinities for elements in a period from left to right

Choose an answer

Decreases

Increases

Remain same

Increases alternatively

The bond angle depends upon the

Choose an answer

Types of bonds

Number of bonds

Non-bonding electron pairs

All of the above

Which of the hydrogen halides has the highest percentage of ionic character

Choose an answer

HCl

HBr

HF

HI

The structure of ICI₂is

Choose an answer

Trigonal

Trigonal bipyramidal

Octahedral

Square planar

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

Choose an answer

Be

Mg

Sr

calcium

The boiling point of heavy water is

Choose an answer

108°C

101.4°C

99°C

110°C

When an electron is absorbed in an empty or partially filled orbital of an atom, the energy released is called

Choose an answer

Ionization energy

Potential energy

Electron affinity

Bond energy

Which of the following has polar bond

Choose an answer

O₂

N₂

HCl

Cl₂

Which of the following phenomena will occur when two atoms of the elements having same spin of electron approach for bonding?

Choose an answer

Orbital overlap will not occur

Bonding will not occur

Both (A) and (B) are correct

None of the above are correct

Nitrogen in NH₃is sp³hybridized but the bond angle in NH₃is 107° and not 109.5° due to

Choose an answer

sp³orbital planar

sp³orbital trigonal

Repulsion between lone pair and bonded pairs

None of them

B-atom in BF₃has

Choose an answer

sp³hybridization

sp²hybridization

sp hybridization

no hybridization

The geometry of 4 sp³hybrid orbitals on an atom is

Choose an answer

Square planar

Tetrahedral

Trigonal planar

Linear

One of the following bonds is polar but compound is non-polar

Choose an answer

H₂O

NH₃

HCl

CO₂

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