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

Which of the following metals is sometimes found in native state in nature?

Question # 2

In physical and chemical properties, transition elements show

Question # 3

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

Question # 4

3-d series elements are present in:

Question # 5

Potassium hexacyanoferrate (II) has the formula

Question # 6

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

Question # 7

Which of the following is not correct about transition metals?

Question # 8

The total number of d-bock transition element is

Question # 9

What is wrong about transition metals?

Question # 10

Elements in which f-orbitals are in the process of completion are called

Question # 11

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 12

Which of the following is non-typical transition element?

Question # 13

Steel may be manufacture by two processes which two are correct

Question # 14

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

Question # 15

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

Question # 16

The colour of transition metal complexes is due to:

Question # 17

What is the shape of Fe(CO)5molecule?

Question # 18

The lanthanides contraction is responsible for the fact that

Question # 19

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

Question # 20

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

Question # 21

[Co(NH3)6]3+will form ______ structure

Question # 22

d-block elements are also called :

Question # 23

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 24

The color of Cr3+ion is

Question # 25

Which of the following is a transition element

Question # 26

Property of transition element is :

Question # 27

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

Question # 28

Bronze is an alloy which contains

Question # 29

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The protection of steel by chrome plating is due to
A. Cathodic protection
B. Anodic protection
C. Covering of steel surface
D. Formation of alloy with iron
2 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
3 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
4 The percentage of carbon in different types of iron products is in the order of:
A. Cast iron > wrought iron > steel
B. wrought iron > steel > cast rion
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
5 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
6 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
7 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
8 The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
9 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu
10 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%

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