Question # 1

Which one of the following has zero dipole moment

Choose an answer

NH3

CHCI3

H2O

BF3

A molecule which contains two lone pairs and two bond pairs of electrons in valence shell of central atom, geometrical shape of molecules will be

Choose an answer

Tetrahedral

Trigonal pyramidal

Angular

Linear

Octet rule is not allowed in the formation of

Choose an answer

NF3

B.CF4

CCI4

PCI5

Which one of the followings has polar covalent bonds hut is overall nom-polar molecule:

Choose an answer

HF

CO₂

CH₄

N₂

lonic bond is produced after complete transfer of

Choose an answer

nucleus

neutrons

electrons

protons

Carbon-Carbon double bond length in C3H6

Choose an answer

154 pm

134 pm

120 pm

105 pm

what is the exact value of angle in BF3

Choose an answer

90

104.51

119.5

120°

Energy of atom in compound is

Choose an answer

Higher than individual atom

Lower than individual atom

equal to individual atom

Impossible to predict

Bond will be covalent when electronegativity difference of bonded atom is

Choose an answer

Equal to 1.7

between 0.5 to l.7

Greater to 1.7

zero

Elements of group IA and IIA are

Choose an answer

electronegative

neutral

electropositive

non-metals

What is true for a molecule with standard geometry

Choose an answer

It lacks a Ip

It can't be a donor

It can be an acceptor

All

A covalent bond may be

Choose an answer

100% covalent

Partial ionic

100% ionic

Both a and b

Which one is a non-polar compound?

Choose an answer

SnCl2

PH3

Gecl4

H2O

What will be the shape of a molecule which containstwo sigma bond pairs and one lone pair?

Choose an answer

Linear

V shape

Tetragonal

Triangular

What is not true for NH4CI

Choose an answer

It has ionic bond

It has covalent bond

It has coordinate bond

It has hydrogen bond

A molecule that has polar bonds but is overall non - polar

Choose an answer

IF

CCl4

PCI3

All

In a group, the atomic radii from top to bottom

Choose an answer

increase

decrease

don't change

show variable trend

Polarity of a molecule is expressed in terms of

Choose an answer

Bond strength

Dipole moment

Bond length

Shape

Low IE is a symbol of

Choose an answer

high electronegativity

small size

High electron affinity

Metallic character

Bonding in MgO is an example of

Choose an answer

lonic bond

Polar bond

Covalent bond

Coordination covalent bond

More Classes

Other Links

MDCAT Chemistry Chapter 9 Electrochemistry 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