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

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

Question # 2

High purity copper metal is obtained by

Question # 3

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 # 4

The number of unpaired electrons in Mn2+is

Question # 5

4-d series is in the period:

Question # 6

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

Question # 7

Which element has 4 unpaired electrons in 3d-orbital

Question # 8

Corrosion of iron can be prevented by coating the surface with

Question # 9

The geometry of [Co(NH3)6]3+is

Question # 10

E.D.T.A is

Question # 11

Which of the following acts as ligand

Question # 12

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

Question # 13

Bessemer converter is used in the manufacture of

Question # 14

Stainless steel contains ion and carbon along with

Question # 15

Most common oxidation states shownby cerium are

Question # 16

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

Question # 17

The formula of curprite is

Question # 18

Which period starts from 11Sc to 30Zn ?

Question # 19

Rusting of iron is catalysed by

Question # 20

The less reactivity of transition metal is due to

Question # 21

Potassium chromate has formula

Question # 22

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

Question # 23

What is wrong about transition metals?

Question # 24

Group VIB of transition elements contains

Question # 25

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

Question # 26

Misch mental is

Question # 27

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 # 28

AgCl is soluble is

Question # 29

The total number of rare earth elements is

Question # 30

Bell metal is an alloy of Sn and

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
2 Which of the following metals is sometimes found in native state in nature?
A. Al
B. Cu
C. Fe
D. Mg
3 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
4 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
5 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80
6 Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the
A. Reduction of Cu2+
B. Oxidation of Cu2+
C. Reduction of Fe
D. Reduction of Fe3+
7 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
8 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
9 Property of transition element is :
A. Low m.p and b.p
B. Parramagnetism
C. Oxidation state
D. Low binding energies
10 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn

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