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 is the correct electronic configuration of Cr - 24

Question # 2

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

Question # 3

Which metal is used for catalytic hydrogenation of oils

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Titanium is used as a catalyst in

Question # 8

The less reactivity of transition metal is due to

Question # 9

What is wrong about transition metals?

Question # 10

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

Question # 11

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

Question # 12

Turnbull's blue is a compound called?

Question # 13

Which of the following metal exhibits more than one oxidation?

Question # 14

Which has the largest radius?

Question # 15

Transition elements are called so because:

Question # 16

In the extraction of iron, slag is produced which is

Question # 17

The color of Cr3+ion is

Question # 18

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

Question # 19

Misch mental is

Question # 20

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

Question # 21

Which one of the following has highest density

Question # 22

The coordination number of iron in [Fe(H2O)6]3+is

Question # 23

The number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 24

4-d series is in the period:

Question # 25

The formula of curprite is

Question # 26

The number of unpaired electrons in Mn2+is

Question # 27

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

Question # 28

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 29

Which of the following is non-typical transition element?

Question # 30

Rusting of iron is catalysed by

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because
A. It less reactive than copper
B. A layer of sulphates is deposited on it
C. An inert layer of iron oxide is deposited on it
D. All valence electrons of iron are consumed
2 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
3 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
4 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn
5 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
6 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
7 Elements in which f-orbitals are in the process of completion are called
A. Outer transition element
B. Inner transition elements
C. Non-tranistion elements
D. Radioactive elements
8 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
9 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
10 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re

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