ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

Try The MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

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ECAT Chemistry Chapter 17 Transition Elements

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Question # 1

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

Question # 2

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

Question # 3

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 4

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

Question # 5

Which period starts from 11Sc to 30Zn ?

Question # 6

d-block elements are also called :

Question # 7

Sodium thisoulophate is used in photography because of its

Question # 8

CuSO4. 5H2O is used to prepare

Question # 9

Among the lanthandes the one obtained by synthetic method is

Question # 10

Which is not a bidentate ligand

Question # 11

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

Question # 12

The protection of steel by chrome plating is due to

Question # 13

Group VI-B of transition elements contains:

Question # 14

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 15

Which is used to identify Cu2+ions

Question # 16

High purity copper metal is obtained by

Question # 17

Which element has 4 unpaired electrons in 3d-orbital

Question # 18

Which of the following is not related to transition metals

Question # 19

In physical and chemical properties, transition elements show

Question # 20

E.D.T.A is

Question # 21

Bronze is an alloy which contains

Question # 22

Choose the correct answer of transition elements?

Question # 23

Most transition elements show

Question # 24

Which metal is used for catalytic hydrogenation of oils

Question # 25

A transition element is defined as an element of 3d series

Question # 26

The total number of d-bock transition element is

Question # 27

f-block elements are called :

Question # 28

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

Question # 29

Besides Zn and Cu , German silver contains the metal

Question # 30

Corrosion of iron can be prevented by coating the surface with

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
2 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
3 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these
4 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
5 Which of the following is used as disinfectant
A. K2Cr2O7
B. KMnO4
C. K2MnO4
D. K2CrO4
6 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
7 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
8 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
9 Corrosion of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above
10 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these

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