Question # 1

The penultimate shell of carbon contains electrons.

Choose an answer

s2

s2p6

s2p6d10

s2p6d8

The most convenient and has nearest approach to a universal pH measurement

Choose an answer

pH strips

pH indicator

The emf method

The colorimetric

Which of the following has the highest melting point.

Choose an answer

NaCl

KCl

MgO

BaO

When steam is passed over red bot coke The product formed is

Choose an answer

Hydrogen and carbon dioxide

Mixture of hydrogen and carbon monoxide

Mixture of hydrogen and oxygen

Heavy hydrogen

The pH of the 1.3 x 10^-4 NH₄Cl is

Choose an answer

1.3

4.0

2.886

3.886

Which trihalide is not hydrolysed by water

Choose an answer

NF3

NCl3

PCl3

AsCl3

Which one of the following statement is incorrect in relation to ionization enthalpy.

Choose an answer

Ionization enthalpy increase for each successive electron

The greatest increase in ionization enthaly is experienced on removal of electron from core noble gas configuration

End of the valence electron is marked by a big jump in ionization enthalpy

Removal of electron from orbitals bearing lower value to easier than from orbital having highest n value.

Formula of orthophosphoric acid.

Choose an answer

H2PO4

H3PO3

H3PO2

H4P2O5

Which one has a co ordinate bond.

Choose an answer

Al2Cl6

BF3

NaCl

O2

Hydrogen at the moment of its generation is generally called.

Choose an answer

Protium

Nascent hydrogen

Atomic hydorgen

Heavy hydrogen

Of all the noble gaes, easily available gases are

Choose an answer

He & Ar

He & Ne

Ne & Ar

Xe & Kr

Magnalium is alloy of Aluminium which is used in

Choose an answer

Scientific apparatus

Aircraft parts

Rail road care

Boat machinery

HCIO2 gives the structure of a.

Choose an answer

Linear

Angular

trigonal pyramidal

Tetra hddral

In the metallurgy of iron, when limestone is added to the blast furnace, the calcium ion ends up in.

Choose an answer

Slag

Gangue

Metallic calcium

Calcium carbonate

Which group contains elements that exist as monoatomic molecules.

Choose an answer

1

2

14

18

The three isotopes of hydrogen differ from one another in

Choose an answer

Atomic number

Number of protons

Nuclear charge

Nuclear mass

The bromine produced on commercial scale may contain impurities of.

Choose an answer

Water

Chloride

iodine

All above

The name hydrogen was proposed by.

Choose an answer

Lavoisier

Rutherford

Henry Cavandish

Scheele

Which of the following species has highest bond energy.

Choose an answer

H2

T2

D

Cl

Hypo is used in photography to.

Choose an answer

Reduce AgBr to metallic silver

Remove silver a silver salt

Remove undecomposed silver bromide as soluble complex

Remove reduced silver

Which of the following orbitals has maximum penetration effect.

Choose an answer

s

p

d

f

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