Question # 1

Arrhenius concept explained

Choose an answer

Constant heat of neutralization

Quantitative determination of acid base strength

Catalytic property of acid

All above

Ca2+ is isolelectronic with.

Choose an answer

Mg2+

Kr

Ar

Na+

Which of the following is not a property of aluminium.

Choose an answer

An efficient electrical conductor

A low density compared to other metals

Is amphoteric

Toxic to humans

In which of the following species the bonds are non directional.

Choose an answer

NCl3

RbCl

BeCl2

BCl3

The concept is also known as proton donor acceptor system.

Choose an answer

Bronsted Lowery

Lewis

Lux Flood

Usanovich

Which of the following is not an alkali metal

Choose an answer

Rb

Sb

Cs

Fr

The formula of Tetraboric acid is.

Choose an answer

H2BO3

HBO2

H2B4O7

H6B4O9

Which of the following is diamagnetic

Choose an answer

O2

O2+

O2-

O2 ^2-

Blue color of glass of due to the presence of .

Choose an answer

Cobalt (II)

Chromium (III)

Iron (III)

copper (II)

Both the elements are typical non metals.

Choose an answer

B & Ai

B & Si

Al & Si

Any of above

The oxidation number Xe in XeOF2 is

Choose an answer

0

+2

+4

+3

Which of the following hydroxides has the maximum solubility in water.

Choose an answer

Mg (OH)2

Ca (OH)2

Sr (OH)2

Ba (OH)2

Which of the following has the highest melting poing.

Choose an answer

NaCl

Li Cl

KCl

Rb Cl

Among the elements of third period, the element with lowest boiling point belongs to group.

Choose an answer

1

14

16

18

The three isotopes of hydrogen differ from one another in

Choose an answer

Atomic number

Number of protons

Nuclear charge

Nuclear mass

Which of the following is most soluble in water

Choose an answer

CaSO4

Sr SO4

MgSO4

BaSO4

In vinyl cyanide, the number of a bonds in

Choose an answer

2

3

1

4

Group IV A consist elements.

Choose an answer

3

4

5

6

The configuration of valence shell of certain atom X is 3s2 , 3p5, which valences can it exhibit.

Choose an answer

1,3 only

1,5 only

1,3,5,7

1,3,4

O2 molecule is.

Choose an answer

Fermagnetic

Forromagnetic

Paramagnetic

Diamagnetic

NH3 has a not dipole moment while BF3 has zero dipole moment Thsi is because.

Choose an answer

NH3 is not a planar molecule while BF3 is a planar molecule.

NH3 is a planar molecule, while BF3 is a planner molecule.

Fluorine is more electronetative than nitrogen

Born is more electronegative than nitrogen

More Classes

Other Links

PPSC Chemistry Part III Inorganic Chemistry 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