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 compounds gives red precipitate with AgNO3?

Question # 2

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

Question # 3

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 4

The Mn3+has ______ color

Question # 5

Potassium chromate has formula

Question # 6

Which of the following is a non-typical transition elements

Question # 7

Which of the following is non-typical transition element?

Question # 8

Bell metal is an alloy of Sn and

Question # 9

Besides Zn and Cu , German silver contains the metal

Question # 10

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

Question # 11

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

Question # 12

f-block elements are called :

Question # 13

The protection of steel by chrome plating is due to

Question # 14

Bronze is an alloy which contains

Question # 15

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

Question # 16

In physical and chemical properties, transition elements show

Question # 17

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 18

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

Question # 19

Which is used to identify Cu2+ions

Question # 20

Which is the correct electronic configuration of Cr - 24

Question # 21

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

Question # 22

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

Question # 23

Potassium ferrocyanide is a

Question # 24

E.D.T.A is

Question # 25

Titanium is used as a catalyst in

Question # 26

The colour of transition metal complexes is due to:

Question # 27

Which is in differnet phase form other metals

Question # 28

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

Question # 29

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 30

What are alloys

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
2 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
3 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
4 Which of the following is a not typical transition element
A. Cr
B. Mn
C. Zn
D. Fe
5 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
6 A transition metal complex can be recognized by various terms. Which is not the proper term
A. Central metal ion
B. Coordination number
C. Ligand
D. Geometry of complex
7 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
8 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
9 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
10 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red

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