Question # 1

In physical and chemical properties, transition elements show

Choose an answer

Similarities

Dissimilarities

Both of these

Somestimes similarities, sometimes dissimilarities

The oxidation number of Ni in [Ni(CO)₄] is

Choose an answer

+1

0

+4

-4

Potassium chromate has formula

Choose an answer

KClO₃

K₂CO₃

K₂CrO₄

K₂Cr₂O₇

Bell metal is an alloy of Sn and

Choose an answer

Copper

Iron

Zinc

Magnesium

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Choose an answer

They show variable valency

Their ions and compounds are coloured

They are good conductors of heat and electricity

Their compounds are diamagnetic

CuSO₄. 5H₂O is used to prepare

Choose an answer

Transition complex

Fehling's 'A' sol

Fehling's 'B' sol

Fehling's sol

Which of the following transition metal ions will have definite value of magnetic moment?

Choose an answer

Se³⁺

Ti³⁺

Cu⁺

Zn²⁺

Corrosion of iron can be prevented by coating the surface with

Choose an answer

Zn

Sn

Ni

Any of the above

Choose the correct answer of transition elements?

Choose an answer

Transition elements have low melting points

Transition elements do not have catalytic activity

Transition elements exhibit variable oxidation states

Transition elements exhibit inert pair effect

Which of the following is non-typical transition element?

Choose an answer

Cr

Mn

Zn

Fe

The percentage of carbon in different types of iron products is in the order of

Choose an answer

Cast iron > wrought iron > steel

Wrought iron > steel > cast iron

Cast iron > steel > wrought iron

Cast iron = steel > wrought iron

The colour of transition metal complexes is due to:

Choose an answer

d-d transitions of electorns

Paramagnetic nature of transition

Ionization

Loss of s-electrons

The coordination number of iron in [Fe(H₂O)₆]³⁺is

Choose an answer

2

3

4

6

d-block elements are also called :

Choose an answer

alkali metal

Alkaline earth metals

Transition elements

Electron deficient elements

Which one of the following metal ions is colourless?

Choose an answer

V²⁺

Cr³⁺

Zn²⁺

Ti³⁺

Which element does not belong to 3d transition series

Choose an answer

Ti

V

Mn

Te

Oxalic acid oxidizes to:

Choose an answer

CO

CO₂

Oxalates

None of these

In the extraction of iron, slag is produced which is

Choose an answer

CO

FeSiO₃

MgSiO₃

CaSiO₃

Non-formation of menisus by Hg in presence of O₃is due to the formation of

Choose an answer

Mercuric oxide

Mercurous oxide

Mercuric chloride

Mercurous chloride

Bronze is an alloy of Cu and

Choose an answer

Zn

As

Sb

Sn

6-d series is in the period :

Choose an answer

4th

5th

6th

7th

A transition metal complex can be recognized by various terms. Which is not the proper term

Choose an answer

Central metal ion

Coordination number

Ligand

Geometry of complex

How many mole of acidfied FeSO₄solution can be completely oxidized by one mole of KMNO₄?

Choose an answer

10

5

6

2

Addition of iron fillings to CuSO₄solution caused precipitation of Cu owing to the

Choose an answer

Reduction of Cu²⁺

Oxidation of Cu²⁺

Reduction of Fe

Reduction of Fe³⁺

What is wrong about transition metals?

Choose an answer

Diamagnetic

Paramagnetic

Form complexes

Shows variable oxidation state

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Choose an answer

The 3rd orbital is of lower energy than 4s

The 4s orbital is of equal energy to 3d orbital

The half filled d-subshell is more stable than incomplete d-sub shell

6 unpaired electrons make Cr more paramagnetic

Fe⁺³and Mn²⁺are strong paramagnetic because the number of unpaired electrons in each is

Choose an answer

4

5

6

7

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Choose an answer

3

2

5

Zero

[Zn(NH₃)₄]³⁺possess geometry

Choose an answer

Square plannar

Hexagonal

Tetrahedral

None of these

Which of the following is a typical transition metal?

Choose an answer

Sc

Y

Ra

Co

During oxidation in k₂Cr₂O_{7, Cr VI changes to :}

Choose an answer

I

II

III

IV

More Classes

Other Links

ECAT Chemistry Chapter 17 Transition Elements 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

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