ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

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

The less reactivity of transition metal is due to

Question # 2

Which of the following is a not typical transition element

Question # 3

Which of the following compounds gives red precipitate with AgNO3?

Question # 4

Choose the correct answer of transition elements?

Question # 5

Which of the following is non-typical transition element?

Question # 6

AgCl is soluble is

Question # 7

Group VI-B of transition elements contains:

Question # 8

The lanthanides contraction is responsible for the fact that

Question # 9

High purity copper metal is obtained by

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 15

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 16

What is wrong about transition metals?

Question # 17

The total number of inner transition elements in the periodic table is

Question # 18

The total number of transition elements is

Question # 19

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

Question # 20

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 # 21

The colour of transition metal complexes is due to:

Question # 22

Bessemer converter is used in the manufacture of

Question # 23

Titanium is used as a catalyst in

Question # 24

The color of Cr3+ion is

Question # 25

The number of unpaired electrons in Mn2+is

Question # 26

Which of the following acts as ligand

Question # 27

Rusting of iron is catalysed by

Question # 28

Elements in which f-orbitals are in the process of completion are called

Question # 29

f-block elements are called :

Question # 30

Stainless steel contains Cr upto

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Sr.# Question Answer
1 The percentage of carbon in different types of iron products is in the order of:
A. Cast iron > wrought iron > steel
B. wrought iron > steel > cast rion
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
2 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
3 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
4 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
5 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
6 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these
7 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
8 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
9 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
10 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
11 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
12 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
13 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
14 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
15 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
16 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
17 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
18 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
19 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
20 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
21 Which of the following is not correct about transition metals?
A. Their melting and boiling points are high
B. Their compounds are generally coloured
C. They can form ionic or covalent compounds
D. They do not exhibit variable valency
22 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
23 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
24 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
25 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
26 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
27 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
28 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
29 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
30 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn

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