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

Most common oxidation states shownby cerium are

Question # 2

High purity copper metal is obtained by

Question # 3

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

Question # 4

Which of the following elements does not show variable oxidation states?

Question # 5

Which element does not belong to 3d transition series

Question # 6

Which has the largest radius?

Question # 7

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 8

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 9

d-block elements are also called :

Question # 10

Corrosion of iron can be prevented by coating the surface with

Question # 11

German silver does not contain

Question # 12

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 13

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

Question # 14

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 15

Transition elements form which type of bond

Question # 16

Electronic configuration of Cu+2is

Question # 17

Titanium is used as a catalyst in

Question # 18

Bronze is an alloy which contains

Question # 19

Solubility of KMnO4 at higher temperature is:

Question # 20

Group VI-B of transition elements contains:

Question # 21

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 22

Group VIB of transition elements contains

Question # 23

Which of the following is a carbonate are?

Question # 24

4-d series is in the period:

Question # 25

Which metal is used for catalytic hydrogenation of oils

Question # 26

Which of the following is not an element?

Question # 27

Potassium chromate has formula

Question # 28

A transition element is defined as an element of 3d series

Question # 29

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

Question # 30

The total number of transition elements is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
2 Titanium is used as a catalyst in
A. Hydrogenation
B. Dehydrogenation
C. Polymerization of P.E.
D. Oxidation of ammonia
3 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
4 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
5 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
6 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
7 Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements
A. Transition elements show variable oxidation states
B. Their salts are coloured
C. They can be used as catalyst
D. All of them are metals
8 Besides Zn and Cu , German silver contains the metal
A. Sn
B. Ag
C. Ni
D. Mg
9 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
10 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these

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