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 period starts from 11Sc to 30Zn ?

Question # 2

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

Question # 3

Which one of the following has highest density

Question # 4

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 5

In physical and chemical properties, transition elements show

Question # 6

The total number of d-bock transition element is

Question # 7

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

Question # 8

The color of Cr3+ion is

Question # 9

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 10

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

Question # 11

f-Block elements are also called

Question # 12

Solubility of KMnO4 at higher temperature is:

Question # 13

Turnbull's blue is a compound called?

Question # 14

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

Question # 15

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

Question # 16

Titanium is used as a catalyst in

Question # 17

Stainless steel contains Cr upto

Question # 18

Which element does not belong to 3d transition series

Question # 19

Maximum variable oxidation state is of:

Question # 20

In the extraction of iron, slag is produced which is

Question # 21

Corrosion of iron can be prevented by coating the surface with

Question # 22

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

Question # 23

Series starting from57La,42Hf -80Hg is in the period:

Question # 24

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

Question # 25

Transition elements form which type of bond

Question # 26

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

Question # 27

Which element has 4 unpaired electrons in 3d-orbital

Question # 28

Group VI-B of transition elements contains:

Question # 29

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

Question # 30

E.D.T.A is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The number of unpaired electrons in Mn2+is
A. 5
B. 4
C. 3
D. 2
2 Transition metals form complexes due to the participation of partially filled
A. f-orbitals
B. d-orbitals
C. s-orbitals
D. p-orbitals
3 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
4 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
5 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
6 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te
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 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
9 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
10 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None

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