ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

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

Most transition elements show

Question # 2

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 3

Elements in which f-orbitals are in the process of completion are called

Question # 4

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

Question # 5

Bell metal is an alloy of Sn and

Question # 6

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 7

Stainless steel contains Cr upto

Question # 8

Potassium ferrocyanide is a

Question # 9

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

Question # 10

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 11

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

Question # 12

Property of transition element is :

Question # 13

Besides Zn and Cu , German silver contains the metal

Question # 14

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

Question # 15

What is wrong about transition metals?

Question # 16

Which is not a bidentate ligand

Question # 17

Coordination sphere may be:

Question # 18

Sodium thisoulophate is used in photography because of its

Question # 19

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

Question # 20

The colour of the transition metal compounds is due to

Question # 21

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

Question # 22

The total number of rare earth elements is

Question # 23

AgCl is soluble is

Question # 24

Rusting can be avoided by :

Question # 25

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 26

Which of the following is a typical transition metal?

Question # 27

Potassium chromate has formula

Question # 28

In the manufacture of iron from haematitie,limestone is added to act as

Question # 29

Corrosion may be prevented by

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
2 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
3 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
4 Which is not a bidentate ligand
A.
5 Transition elements are called so because:
A. Form interstital sompounds
B. have high m.p
C. In between 's' and' 'p' block elements
D. All of these
6 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
7 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
8 Potassium ferrocyanide is a
A. Mixed salt
B. Double salt
C. Complex salt
D. Normal salt
9 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
10 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period

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