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

High purity copper metal is obtained by

Question # 2

Which metal is used for catalytic hydrogenation of oils

Question # 3

Which one of the following metal ions is colourless?

Question # 4

E.D.T.A is

Question # 5

Most common oxidation states shownby cerium are

Question # 6

Out of 110 known elements, transition elements are

Question # 7

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

Question # 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

Question # 9

The number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 10

The color of Cr3+ion is

Question # 11

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

Question # 12

Which of the following is a transition element

Question # 13

Group VI-B of transition elements contains:

Question # 14

Which is the correct electronic configuration of Cr - 24

Question # 15

Which of the following is not an element?

Question # 16

Titanium is used as a catalyst in

Question # 17

The amount of Ni in stainless steel is

Question # 18

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

Question # 19

Transition elements form which type of bond

Question # 20

Cuprous ore among the following is

Question # 21

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

Question # 22

Stainless steel contains Cr upto

Question # 23

The total number of transition elements is:

Question # 24

Which has the largest radius?

Question # 25

Which of the following is used as disinfectant

Question # 26

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 27

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 28

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 # 29

5-d series is in the period :

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
2 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
3 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
4 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
5 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
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 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
8 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
9 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
10 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu

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