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 total number of transition elements is

Question # 2

Interstitial compounds have

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Which element does not belong to 3d transition series

Question # 8

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

Question # 9

In physical and chemical properties, transition elements show

Question # 10

Which is not a bidentate ligand

Question # 11

5-d series is in the period :

Question # 12

Titanium is used as a catalyst in

Question # 13

The iron obtained from blast furnace is

Question # 14

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

Question # 15

Potassium ferrocyanide is a

Question # 16

Bell metal is an alloy of Sn and

Question # 17

Among the lanthandes the one obtained by synthetic method is

Question # 18

What is wrong about transition metals?

Question # 19

Which element does not belong to 4d series

Question # 20

Series starting from57La,42Hf -80Hg is in the period:

Question # 21

Group VI-B of transition elements contains:

Question # 22

Which of the following is not related to transition metals

Question # 23

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Question # 24

Steel may be manufacture by two processes which two are correct

Question # 25

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 26

The less reactivity of transition metal is due to

Question # 27

Electronic configuration of Cu+2is

Question # 28

Which of the following is a typical transition metal

Question # 29

Which of the following metal exhibits more than one oxidation?

Question # 30

Series starting form 39Y to 48CD is in period:

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Sr.# Question Answer
1 The iron obtained from blast furnace is
A. Pig iron
B. Wrought ion
C. Soft ion
D. Steel
2 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
3 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
4 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
5 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
6 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
7 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
A. Pt(NH3)6CI4
B. Pt(NH3)5CI4
C. Pt(NH3)4CI4
D. Pt(NH3)3CI4
8 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
9 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
10 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
11 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
12 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
13 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
14 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
15 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
16 f-block elements are called :
A. Alkali metal
B. Alkakline earth metals
C. Transition elements
D. Electron deficient elements
17 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
18 Which of the following is a not typical transition element
A. Cr
B. Mn
C. Zn
D. Fe
19 The colour of the transition metal compounds is due to
A. p-d transition
B. d-d transition
C. s-p transition
D. None of these
20 Transition elements are called so because:
A. Form interstital sompounds
B. have high m.p
C. In between 's' and' 'p' block elements
D. All of these
21 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
22 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
23 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
24 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu
25 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
26 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
27 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
28 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
29 Which of the following is used as disinfectant
A. K2Cr2O7
B. KMnO4
C. K2MnO4
D. K2CrO4
30 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

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