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

[Co(NH3)6]3+will form ______ structure

Question # 2

Which element belong to 5d series

Question # 3

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

Question # 4

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 5

Which of the following is a not typical transition element

Question # 6

The total number of transition elements is:

Question # 7

German silver does not contain

Question # 8

Cu2+with d9electronic configuration appears

Question # 9

The colour of transition metal complexes is due to

Question # 10

Transition metals form complexes due to the participation of partially filled

Question # 11

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 12

Transition metals mostly are

Question # 13

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

Question # 14

Which of the following is not an element?

Question # 15

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 16

Rusting of iron is catalysed by

Question # 17

High purity copper metal is obtained by

Question # 18

What is the shape of Fe(CO)5molecule?

Question # 19

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

Question # 20

Besides Zn and Cu , German silver contains the metal

Question # 21

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

Question # 22

Most transition elements show

Question # 23

Corrosion of iron can be prevented by coating the surface with

Question # 24

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 25

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

Question # 26

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 27

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

Question # 28

3-d series elements are present in:

Question # 29

The compound which gives oxygen on moderate heating is

Question # 30

The oxidation number of Ni in [Ni(CO)4] is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Property of transition element is :
A. Low m.p and b.p
B. Parramagnetism
C. Oxidation state
D. Low binding energies
2 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
3 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
4 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
5 Which of the following is a not typical transition element
A. Cr
B. Mn
C. Zn
D. Fe
6 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
7 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
8 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
9 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
10 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

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