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

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

Question # 2

German silver does not contain

Question # 3

Which element has 4 unpaired electrons in 3d-orbital

Question # 4

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 5

Stainless steel contains ion and carbon along with

Question # 6

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 # 7

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

Question # 8

Which is in differnet phase form other metals

Question # 9

The colour of the transition metal compounds is due to

Question # 10

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 11

Which of the following is a not typical transition element

Question # 12

Electronic configuration of Cu+2is

Question # 13

Most transition elements show

Question # 14

Content of carbon in steel is:

Question # 15

The percentage of carbon in different types of iron products is in the order of

Question # 16

E.D.T.A is

Question # 17

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

Question # 18

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

Question # 19

Potassium chromate has formula

Question # 20

Oxalic acid oxidizes to:

Question # 21

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

Question # 22

Which element belong to 5d series

Question # 23

Cuprous ore among the following is

Question # 24

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

Question # 25

Which of the following is a typical transition metal

Question # 26

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

Question # 27

f-block elements are called :

Question # 28

[Zn(NH3)4]3+possess geometry

Question # 29

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

Question # 30

Bronze is an alloy which contains

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6
2 Which of the following is a not typical transition element
A. Cr
B. Mn
C. Zn
D. Fe
3 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
4 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
5 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
6 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
7 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
8 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
9 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
10 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th

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