Question # 1

what is the exact value of angle in BF3

Choose an answer

90

104.51

119.5

120°

Bonding in MgO is an example of

Choose an answer

lonic bond

Polar bond

Covalent bond

Coordination covalent bond

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

Elements having high ionization potential values are

Choose an answer

metals

non- metal

liquids

solid

Which one is a non-polar compound?

Choose an answer

SnCl2

PH3

Gecl4

H2O

The ionization energy of hydrogen atom is

Choose an answer

Zero

131.3kJmole

13.13kJ/mole

1313kJ/mole

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

Choose an answer

HF

CO₂

CH₄

N₂

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

Energy of atom in compound is

Choose an answer

Higher than individual atom

Lower than individual atom

equal to individual atom

Impossible to predict

Carbon-Carbon double bond length in C3H6

Choose an answer

154 pm

134 pm

120 pm

105 pm

In a period the atomic radii

Choose an answer

increase

decrease

remain same

first increase, then decreased

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

Octet rule is not allowed in the formation of

Choose an answer

NF3

B.CF4

CCI4

PCI5

Geometry of simple molecule with sp2 hybridization

Choose an answer

Triangular planar

Trigonal

Square planner

Pyramidal

Which one of the following has zero dipole moment

Choose an answer

NH3

CHCI3

H2O

BF3

The shielding effect of inner electron is responsible for

Choose an answer

Having no effect on ionization energy

Decreasing ionization energy

Increasing ionization energy

Increasing electronegativity

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

lonic bond is produced after complete transfer of

Choose an answer

nucleus

neutrons

electrons

protons

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