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

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

Question # 2

The colour of transition metal complexes is due to

Question # 3

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 4

Besides Zn and Cu , German silver contains the metal

Question # 5

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 6

6-d series is in the period :

Question # 7

Which is in differnet phase form other metals

Question # 8

Transition elements form which type of bond

Question # 9

Which of the following is non-typical transition element?

Question # 10

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

Question # 11

f-Block elements are also called

Question # 12

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

Question # 13

Which of the following is a non-typical transition elements

Question # 14

Steel may be manufacture by two processes which two are correct

Question # 15

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

Question # 16

Bronze is an alloy which contains

Question # 17

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 18

Which is non typical transition element :

Question # 19

Which is not a bidentate ligand

Question # 20

Solubility of KMnO4 at higher temperature is:

Question # 21

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 22

Transition elements are called so because:

Question # 23

d-block elements are also called :

Question # 24

Property of transition element is :

Question # 25

The colour of the transition metal compounds is due to

Question # 26

Potassium chromate has formula

Question # 27

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

Question # 28

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

Question # 29

Stainless steel contains ion and carbon along with

Question # 30

In physical and chemical properties, transition elements show

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Sr.# Question Answer
1 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
2 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
3 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these
4 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
5 Series starting form 39Y to 48CD is in period:
A. 4th
B. 5th
C. 6th
D. 7th
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 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
8 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
9 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn
10 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
11 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
12 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
13 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
14 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
15 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic
16 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
17 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
18 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
19 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
20 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
21 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
22 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
23 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
24 Steel may be manufacture by two processes which two are correct
A. Open hearth process and besemer process
B. Open hearth process and Haber process
C. Bassemer process and Haber process
D. Contact process and Haber process
25 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
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
26 Which of the following is a typical transition metal
A. Sc
B. Y
C. Ra
D. Co
27 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
28 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80
29 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
30 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co

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