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 one of the following metal ions is colourless?

Question # 2

Content of carbon in steel is:

Question # 3

Bronze is an alloy of Cu and

Question # 4

In physical and chemical properties, transition elements show

Question # 5

Which element does not belong to 3d transition series

Question # 6

The colour of transition metal complexes is due to

Question # 7

Which one of the following has highest density

Question # 8

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

Question # 9

The lanthanides contraction is responsible for the fact that

Question # 10

The coordination number of iron in [Fe(H2O)6]3+is

Question # 11

In the extraction of iron, slag is produced which is

Question # 12

Which element has 4 unpaired electrons in 3d-orbital

Question # 13

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

Question # 14

Which is not a bidentate ligand

Question # 15

Cuprous ore among the following is

Question # 16

Electronic configuration of Cu+2is

Question # 17

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 18

The colour of the transition metal compounds is due to

Question # 19

What is wrong about transition metals?

Question # 20

Which of the following is not related to transition metals

Question # 21

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

Question # 22

An oxidixing agent

Question # 23

[Zn(NH3)4]3+possess geometry

Question # 24

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

Question # 25

Potassium chromate has formula

Question # 26

Which period starts from 11Sc to 30Zn ?

Question # 27

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

Question # 28

The Mn3+has ______ color

Question # 29

German silver does not contain

Question # 30

Which of the following is not an element?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
2 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
3 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
4 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
5 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
6 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
7 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
8 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
9 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
10 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these

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