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 alloy contains 50% copper, 25% zinc and 25% nickel

Question # 2

Oxalic acid oxidizes to:

Question # 3

Which is used to identify Cu2+ions

Question # 4

The colour of transition metal complexes is due to

Question # 5

Which of the following is non-typical transition element?

Question # 6

The total number of rare earth elements is

Question # 7

The protection of steel by chrome plating is due to

Question # 8

Which of the following is a typical transition metal?

Question # 9

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

Question # 10

Which one of the following has highest density

Question # 11

Which of the following is a not typical transition element

Question # 12

Transition metals form complexes due to the participation of partially filled

Question # 13

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 14

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

Question # 15

Transition metals mostly are

Question # 16

The colour of the transition metal compounds is due to

Question # 17

Out of 110 known elements, transition elements are

Question # 18

Which of the following acts as ligand

Question # 19

Corrosion may be prevented by

Question # 20

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

Question # 21

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

Question # 22

Bell metal is an alloy of

Question # 23

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 24

The lanthanides contraction is responsible for the fact that

Question # 25

AgCl is soluble is

Question # 26

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 27

Maximum variable oxidation state is of:

Question # 28

Which period starts from 11Sc to 30Zn ?

Question # 29

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
2 Which of the following metals is sometimes found in native state in nature?
A. Al
B. Cu
C. Fe
D. Mg
3 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
4 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
5 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80
6 Steel may be manufacture by two processes which two are correct
A. Open hearth process and besemer process
B. Open hearth process and Haber process
C. Bassemer process and Haber process
D. Contact process and Haber process
7 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
8 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
9 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
10 A transition metal complex can be recognized by various terms. Which is not the proper term
A. Central metal ion
B. Coordination number
C. Ligand
D. Geometry of complex

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