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

00:00
Question # 1

5-d series is in the period :

Question # 2

The total number of rare earth elements is

Question # 3

Oxalic acid oxidizes to:

Question # 4

Stainless steel contains Cr upto

Question # 5

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

Question # 6

Which is used to identify Cu2+ions

Question # 7

Which one of the following metal ions is colourless?

Question # 8

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

Question # 9

Corrosion may be prevented by

Question # 10

The elements in which d or f-orbitals are incomplete are called

Question # 11

Bessemer converter is used in the manufacture of

Question # 12

Transition metals form complexes due to the participation of partially filled

Question # 13

What is wrong about transition metals?

Question # 14

Group VI-B of transition elements contains:

Question # 15

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

Question # 16

The colour of transition metal complexes is due to

Question # 17

The free spaces between the metal atoms and its crystal lattice are called

Question # 18

Which is not a bidentate ligand

Question # 19

Choose the correct answer of transition elements?

Question # 20

In the extraction of iron, slag is produced which is

Question # 21

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

Question # 22

Which is in differnet phase form other metals

Question # 23

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

Question # 24

The less reactivity of transition metal is due to

Question # 25

The amount of Ni in stainless steel is

Question # 26

Which is non typical transition element :

Question # 27

Which metal is used for catalytic hydrogenation of oils

Question # 28

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

Question # 29

Which one of the following has highest density

Question # 30

Transition elements are called so because:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
2 The iron obtained from blast furnace is
A. Pig iron
B. Wrought ion
C. Soft ion
D. Steel
3 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
4 [Cu[NH3)4]+2will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyramidal
5 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
6 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
7 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
8 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
9 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
10 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6

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