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 metal exhibits more than one oxidation?

Question # 2

The amount of Ni in stainless steel is

Question # 3

Corrosion of iron can be prevented by coating the surface with

Question # 4

The formula of curprite is

Question # 5

Electronic configuration of Cu+2is

Question # 6

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

Question # 7

Which period starts from 11Sc to 30Zn ?

Question # 8

Which element has 4 unpaired electrons in 3d-orbital

Question # 9

Which element does not belong to 4d series

Question # 10

The colour of transition metal complexes is due to

Question # 11

The lanthanides contraction is responsible for the fact that

Question # 12

Which metal is used for catalytic hydrogenation of oils

Question # 13

The geometry of [Co(NH3)6]3+is

Question # 14

In the extraction of iron, slag is produced which is

Question # 15

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

Question # 16

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

Question # 17

Property of transition element is :

Question # 18

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

Question # 19

Bronze is an alloy of Cu and

Question # 20

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

Question # 21

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

Question # 22

The Mn3+has ______ color

Question # 23

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

Question # 24

Group VIB of transition elements contains

Question # 25

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

Question # 26

Most transition elements show

Question # 27

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 28

What are alloys

Question # 29

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

Question # 30

Which of the following has the maximum number of unpaired d-electrons?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
2 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these
3 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
4 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
5 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
6 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
7 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
8 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
9 Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements
A. Transition elements show variable oxidation states
B. Their salts are coloured
C. They can be used as catalyst
D. All of them are metals
10 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80

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