Question # 1

Variable oxidation states is shown by

Choose an answer

Normal eleemnts

Metallic elements

Non metallic elements

Transition elements

The formula of Tetraboric acid is.

Choose an answer

H2BO3

HBO2

H2B4O7

H6B4O9

A thionic acid

Choose an answer

H2S2O3

H2S2O6

H2S2O8

H2S2O7

Which element amongst the following has the highest boiling point.

Choose an answer

Na

Mg

Ca

K

Un-like s -block elements d-block elements form which compounds as well

Choose an answer

ionic compounds

Co valent compound

Co ordinate compounds

None of above

Which is the strongest reducing agent.

Choose an answer

HF

HCl

HBr

HI

The dipole moments of the given species are such that.

Choose an answer

BF3 > NF3 > NH3

NF3 > BF3 > NH3

NHE > NF3 >BF3

NH3 > BF3 > NF3

Which of the following can be used as drying agent of ammonia.

Choose an answer

CaO

Anhydrous CaCl2

P2O5

Conc. H2SO4

VBT does not edplain

Choose an answer

Absorption spectra

Color of transition metal ion

Heat of formation

All above

Which one of the following has the biggest electron affinity.

Choose an answer

F2

Cl2

Br2

I2

The maximum covalence of an element equal to.

Choose an answer

The number of unpaired d electrons

The number of paired p electrons

The number of unpaired a and P electors

The actual number of a and P electrons in the outermost shell

The most important conditions for the formation of ionic bond are.

Choose an answer

High ionization energy of the metallic atom and high electron affinity of the non metallic atom.

Low ionization of the metallic atom and low electron affinity of the non metallic atom.

Low ionization energy of metallic atom and high electron affinity of the non metallic atom

High ionization energy of the metallic atom and high electron affinity of non metallic atom.

Has maximum property of catenation.

Choose an answer

C

Si

Sn

Pb

Amorphous boron on burning in air form

Choose an answer

B(OH)3

Only B2O3

Only BN

Mixture of B2O3 and BN

The process of extracting a metal in pure form its ores is known as.

Choose an answer

Crushing

Grinding

Dressing

Metallurgy

Which of the following elements has the highest value of IE.

Choose an answer

Na

K

Mg

Ca

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

Most electronegative element is.

Choose an answer

C

Si

Pb

Sn

Radon is obtained only in the radioactive decay of

Choose an answer

Radium

Thorium

Actinium

Any of above

Which of the following exists as polymeric chains in solid state.

Choose an answer

Sr Cl2

Ba Cl2

MgCl2

BeCl2

Pick out the incorrect statement for transition metals.

Choose an answer

Cu+ is not a transition metal ion

Transition metals do not exhibit variable oxidation states

Transition metal ions are coloured

Transition metals and majority of their compounds are paramagnetic

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