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

Which of the following is a not typical transition element

Question # 2

The percentage of carbon in different types of iron products is in the order of

Question # 3

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

Question # 4

What is the name of the comlex [Ni(CO)4]

Question # 5

Stainless steel contains ion and carbon along with

Question # 6

Transition elements are called so because:

Question # 7

Potassium hexacyanoferrate (II) has the formula

Question # 8

f-block elements are called :

Question # 9

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

Question # 10

Which element does not belong to 4d series

Question # 11

Which of the following is a non-typical transition elements

Question # 12

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 13

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 14

Which of the following is not correct about transition metals?

Question # 15

Rusting of iron is catalysed by

Question # 16

AgCl is soluble is

Question # 17

The total number of transition elements is:

Question # 18

In physical and chemical properties, transition elements show

Question # 19

The compound which gives oxygen on moderate heating is

Question # 20

Which element belong to 5d series

Question # 21

[Zn(NH3)4]3+possess geometry

Question # 22

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

Question # 23

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 24

Which of the following compounds gives red precipitate with AgNO3?

Question # 25

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

Question # 26

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

Question # 27

CuSO4. 5H2O is used to prepare

Question # 28

The colour of transition metal complexes is due to

Question # 29

The amount of Ni in stainless steel is

Question # 30

The colour of the transition metal compounds is due to

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Sr.# Question Answer
1 Which is not a bidentate ligand
A.
B. Choice 2
C. Choice 3
D. Choice 4
2 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80
3 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
4 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
5 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
6 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
7 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
8 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
9 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
10 Potassium ferrocyanide is a
A. Mixed salt
B. Double salt
C. Complex salt
D. Normal salt
11 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
12 A transition element is defined as an element of 3d series
A. Which is metal
B. Which has one stable ion
C. Which has two stable ions
D. Which has at least one stable ion with incomplete d-orbital
13 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
14 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 iron
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
15 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
16 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
17 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
18 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5
19 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
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 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
22 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
23 Besides Zn and Cu , German silver contains the metal
A. Sn
B. Ag
C. Ni
D. Mg
24 Mercury is the only metal which is liquid at 0°C. this is due to its
A. Very high ionization energy and weak metallic bond
B. Low ionization potential
C. High atomic weight
D. High vapour pressure
25 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
26 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
27 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
28 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
29 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
30 Content of carbon in steel is:
A. 0.12 to 0.25%
B. 0.25% to 2.5%
C. 3.0 to 3.5%
D. 4.0 to 4.5%

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