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

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

Question # 2

Which of the following is a carbonate are?

Question # 3

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

Question # 4

What is the shape of Fe(CO)5molecule?

Question # 5

Which one of the following metal ions is colourless?

Question # 6

Corrosion of iron can be prevented by coating the surface with

Question # 7

3-d series elements are present in:

Question # 8

Which of the following is a transition element

Question # 9

Group VIB of transition elements contains

Question # 10

Which of the following is used as disinfectant

Question # 11

f-Block elements are also called

Question # 12

The lanthanides contraction is responsible for the fact that

Question # 13

The colour of transition metal complexes is due to:

Question # 14

Stainless steel contains Cr upto

Question # 15

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

Question # 16

Group VI-B of transition elements contains:

Question # 17

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

Question # 18

Oxalic acid oxidizes to:

Question # 19

Most transition elements show

Question # 20

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 21

Electronic configuration of Cu+2is

Question # 22

[Ti(H2O)6]+3ion absorbs colour:

Question # 23

Solubility of KMnO4 at higher temperature is:

Question # 24

Which element belong to 5d series

Question # 25

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 # 26

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 27

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

Question # 28

Which of the following is not related to transition metals

Question # 29

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
2 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
3 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
4 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
5 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
6 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
7 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
8 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
9 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
10 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction

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