Question # 1

Used in producing intense light in cinematography

Choose an answer

Xenon

Krypton

Radon

Helium

Electronegativity is given by

Choose an answer

Average of first and second ionization energies.

Average of first and second electron affinites

Average of ionization energy and electron affinity

None of the above

iodine is used as

Choose an answer

Tincture of iodine

Iodex and antiseptic

Treatment of goiter

All above

H2SO4 is used

Choose an answer

In the preparation of aqua regia

In the purification of gold and silver

In the dental filling

None of above

Hydrogen at the moment of its generation is generally called.

Choose an answer

Protium

Nascent hydrogen

Atomic hydorgen

Heavy hydrogen

The correct order of second ionization potential of carbon , nitrogen, oxygen and fluorine is.

Choose an answer

C > N > O > F

O > N > F > C

O > F > N > C

F > O > N > C

The electronic configuration of sodium (Z=11)

Choose an answer

1s2, 2s2, 2p4

1s2, 2s2, 2p6, 3s2 , 2p5

1s2, 2s2, 2p6, 3s1

1s2, 2s2, 2p6, 3s2

Which metal burns in air at high temperature with the evolution of much heat.

Choose an answer

Cu

Hg

Pb

Al

CFT was originally applied to.

Choose an answer

Ionic crystal

Liquid crystal

Solid crystal

All above

Which of the following statement is not true for carbon.

Choose an answer

Its forms compounds with multiple bonds

Its ionization energy is very high

It undergoes catanation

It shows inert pair effect

Anhydrous AlCl3 cannot be obtained by heating hydrated AlOI3 ,6h2o Because.

Choose an answer

It decomposes completely to give Al2O3

It does not lose water completely

It undergoes hydrolysis to give Al(OH)3

AlCl3 .6H2O is very stable.

The ion that is isoelectornic with CO is

Choose an answer

CN-

O2+

CO2-

N2+

Which of the following compounds is must acdic.

Choose an answer

H2O

H2S

H2Se

H2Te

Greenish yellow gas with pungent irritating odour

Choose an answer

Chlorine

Fluorine

Iodine

Bromine

Pig iron is also called.

Choose an answer

Cast iron

Steel

Wrought iron

Stainless steel

Which of the following will exhibit variable electro Valency due to intert pair effect.

Choose an answer

Fe

Sn

K

Both Fe and Sn

The coordination number of closely packed hexagonal is.

Choose an answer

4

6

8

12

Among alkali metals, the least metallic element is.

Choose an answer

Li

Na

Rb

Cs

In 1952 who popularized the use of CFT for inorganic chemist

Choose an answer

Bethe

Orge

Van Vleck

Werner

The ionization energy of N is more than that of oxygen becasue.

Choose an answer

Nitrogen has half filled p orbitals

Nitrogen atom is smaller in size than oxygen atom

Nitrogen contains less number of electrons

Nitrogen is less electronegative

In the purification of bauxite , the ore is fused with sodium carbonate in the process

Choose an answer

Baeyer's process

Hall's process

Serpeck's process

Any of above

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