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

Content of carbon in steel is:

Question # 2

Which of the following is a not typical transition element

Question # 3

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

Question # 4

Which of the following elements does not show variable oxidation states?

Question # 5

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 6

German silver does not contain

Question # 7

[Cu[NH3)4]+2will form ______ structure

Question # 8

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

Question # 9

f-Block elements are also called

Question # 10

Which is non typical transition element :

Question # 11

d-block elements are also called :

Question # 12

The total number of inner transition elements in the periodic table is

Question # 13

CuSO4. 5H2O is used to prepare

Question # 14

Choose the correct answer of transition elements?

Question # 15

Potassium ferrocyanide is a

Question # 16

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

Question # 17

Bell metal is an alloy of Sn and

Question # 18

3-d series elements are present in:

Question # 19

What are alloys

Question # 20

Which period starts from 11Sc to 30Zn ?

Question # 21

Which is used to identify Cu2+ions

Question # 22

Which of the following compounds gives red precipitate with AgNO3?

Question # 23

The lanthanides contraction is responsible for the fact that

Question # 24

Among the lanthandes the one obtained by synthetic method is

Question # 25

Which one of the following has highest density

Question # 26

Which of the following is used as disinfectant

Question # 27

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

Question # 28

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

Question # 29

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 30

The color of Cr3+ion is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
2 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
3 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
4 The colour of the transition metal compounds is due to
A. p-d transition
B. d-d transition
C. s-p transition
D. None of these
5 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
6 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
7 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
8 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
9 Which of the following is not an element?
A. Graphite
B. Diamond
C. 22-Carat gold
D. Rhombic sulphur
10 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)

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