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

Among the lanthandes the one obtained by synthetic method is

Question # 2

Which of the following is a typical transition metal?

Question # 3

Solubility of KMnO4 at higher temperature is:

Question # 4

[Co(NH3)6]3+will form ______ structure

Question # 5

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

Question # 6

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 7

Which of the following is a carbonate are?

Question # 8

[Cu[NH3)4]+2will form ______ structure

Question # 9

Which is in differnet phase form other metals

Question # 10

Which of the following has the maximum number of unpaired d-electrons?

Question # 11

Property of transition element is :

Question # 12

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 13

Which of the following is used as disinfectant

Question # 14

Group VI-B of transition elements contains:

Question # 15

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 # 16

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

Question # 17

Transition metals form complexes due to the participation of partially filled

Question # 18

Corrosion of iron can be prevented by coating the surface with

Question # 19

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

Question # 20

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 21

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

Question # 22

The iron obtained from blast furnace is

Question # 23

Which is the correct electronic configuration of Cr - 24

Question # 24

Stainless steel contains Cr upto

Question # 25

The colour of transition metal complexes is due to:

Question # 26

Cuprous ore among the following is

Question # 27

The number of unpaired electrons in Mn2+is

Question # 28

Which of the following is a not typical transition element

Question # 29

Which of the following is non-typical transition element?

Question # 30

The total number of rare earth elements is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
2 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
3 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+
4 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
5 The iron obtained from blast furnace is
A. Pig iron
B. Wrought ion
C. Soft ion
D. Steel
6 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
7 Besides Zn and Cu , German silver contains the metal
A. Sn
B. Ag
C. Ni
D. Mg
8 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
9 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
10 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6

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