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

00:00
Question # 1

The color of Cr3+ion is

Question # 2

Stainless steel contains Cr upto

Question # 3

Which element belong to 5d series

Question # 4

Which has the largest radius?

Question # 5

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

Question # 6

Transition elements are called so because:

Question # 7

The colour of transition metal complexes is due to

Question # 8

Which of the following is not correct about transition metals?

Question # 9

Steel may be manufacture by two processes which two are correct

Question # 10

The elements in which d or f-orbitals are incomplete are called

Question # 11

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

Question # 12

CuSO4. 5H2O is used to prepare

Question # 13

Rusting of iron is catalysed by

Question # 14

An oxidixing agent

Question # 15

Potassium chromate has formula

Question # 16

Corrosion of iron can be prevented by coating the surface with

Question # 17

Which is used to identify Cu2+ions

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

[Ti(H2O)6]+3ion absorbs colour:

Question # 22

f-block elements are called :

Question # 23

Choose the correct answer of transition elements?

Question # 24

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 25

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

Question # 26

Which of the following is a carbonate are?

Question # 27

Electronic configuration of Cu+2is

Question # 28

Which one of the following metal ions is colourless?

Question # 29

Which of the following metal exhibits more than one oxidation?

Question # 30

Which one of the following has highest density

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
3 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
4 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
5 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
6 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
7 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
8 Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because
A. It less reactive than copper
B. A layer of sulphates is deposited on it
C. An inert layer of iron oxide is deposited on it
D. All valence electrons of iron are consumed
9 Which is not a bidentate ligand
A.
10 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn

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