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

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 2

Which of the following is a typical transition metal?

Question # 3

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

Question # 4

Content of carbon in steel is:

Question # 5

Maximum variable oxidation state is of:

Question # 6

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

Question # 7

[Zn(NH3)4]3+possess geometry

Question # 8

Which element belong to 5d series

Question # 9

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

Question # 10

Sodium thisoulophate is used in photography because of its

Question # 11

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 12

Which is non typical transition element :

Question # 13

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

Question # 14

Bronze is an alloy of Cu and

Question # 15

The total number of transition elements is

Question # 16

What are alloys

Question # 17

The Mn3+has ______ color

Question # 18

Which has the largest radius?

Question # 19

Which metal is used for catalytic hydrogenation of oils

Question # 20

Which one of the following has highest density

Question # 21

f-Block elements are also called

Question # 22

d-block elements are also called :

Question # 23

The total number of rare earth elements is

Question # 24

The compound which gives oxygen on moderate heating is

Question # 25

The lanthanides contraction is responsible for the fact that

Question # 26

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

Question # 27

Which of the following is a typical transition metal

Question # 28

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

Question # 29

Which is the correct electronic configuration of Cr - 24

Question # 30

Which of the following is a transition element

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Sr.# Question Answer
1 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
2 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
3 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
4 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5
5 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
6 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
7 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
8 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
9 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
10 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
11 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
12 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
13 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
14 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
15 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
16 Titanium is used as a catalyst in
A. Hydrogenation
B. Dehydrogenation
C. Polymerization of P.E.
D. Oxidation of ammonia
17 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
18 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above
19 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
20 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
21 The protection of steel by chrome plating is due to
A. Cathodic protection
B. Anodic protection
C. Covering of steel surface
D. Formation of alloy with iron
22 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
23 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
24 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
25 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
26 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+
27 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
28 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
A. [Pt(NH3)4(NO2)] SO4
B. [Pt NO2CI(NH3)4] SO4
C. [Pt CI(NO2) (NH3)4] SO4
D. [Pt (NH3)4(NO2) CI] SO4
29 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
30 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds

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