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Classes
- Grade 9
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- Grade 12
Aptitude Tests

Browse Worksheets
Classes
- Grade 9
- Grade 10
- Grade 11
- Grade 12
Aptitude Tests

Browse Worksheets
Classes
- Grade 9
- Grade 10
- Grade 11
- Grade 12
Aptitude Tests

ECAT MDCAT : Chemistry chapter 12. TRANSITION ELEMENTS

Leave a Comment / By Afshan JAMAL / August 15, 2026

Welcome to your ECAT MDCAT : Chemistry chapter 12. TRANSITION ELEMENTS

Potassium hexacyanoferrate (II) has the formula

Choose the correct option.

K4[Fe(CN)6]

K3[Fe(CN)6]

K2[Fe(CN)6]

K[Fe(CN)6]

None

The free spaces between the metal atoms and its crystal lattice are called

Choose the correct option.

Valance spaces

Empty spaces

Interstices

None

The protection of steel by chrome plating is due to

Choose the correct option.

Cathodic protection

Anodic protection

Covering of steel surface

Formation of alloy with iron

None

Out of 110 known elements, transition elements are

Choose the correct option.

40

60

50

80

None

Which of the following is used as disinfectant

Choose the correct option.

K2Cr2O7

KMnO4

K2MnO4

K2CrO4

None

An oxidixing agent

Choose the correct option.

K2Cr2O7

H2SO4

FeSO4

K2SO4

None

Property of transition element is:

Choose the correct option.

Low m.p and b.p

Paramagnetism

Oxidation state

Low binding energies

None

AgCl is soluble is

Choose the correct option.

Aqua regia

H2SO4

HCl

NH3

None

The oxidation state of Fe in [Fe(CN)6]3- is

Choose the correct option.

+2

+3

+4

-3

None

Group VIB of transition elements contains

Choose the correct option.

Zn, Cd, Hg

Fe, Ru, Os

Cr, Mo, W

Mn, Te, Re

None

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

Choose the correct option.

2

3

4

6

None

Bronze is an alloy which contains

Choose the correct option.

60% cu

70% cu

80% cu

99% cu

None

Transition elements form which type of bond

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Ionic bonds only

Covalent bonds only

Ionic and covalent bonds

Polar bonds

None

Series starting form 39Y to 48Cd is in period:

Choose the correct option.

4th

5th

6th

7th

None

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Choose the correct option.

sp3

dsp2

dsp3

d2sp3

None

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Choose the correct option.

+2

+3

+4

+5

None

In physical and chemical properties, transition elements show

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Similarities

Dissimilarities

Both of these

Somestimes similarities, sometimes dissimilarities

None

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

Choose the correct option.

4

5

6

7

None

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

Choose the correct option.

+1

0

+4

-4

None

Which of the following is a non-typical transition elements

Choose the correct option.

Cr

Mn

Zn

Fe

None

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