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

00:00
Question # 1

Which of the following metals is sometimes found in native state in nature?

Question # 2

Steel may be manufacture by two processes which two are correct

Question # 3

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

Question # 4

5-d series is in the period :

Question # 5

E.D.T.A is

Question # 6

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

Question # 7

3-d series elements are present in:

Question # 8

Which of the following is a typical transition metal

Question # 9

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

Question # 10

Bronze is an alloy of Cu and

Question # 11

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

Question # 12

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

Question # 13

In the extraction of iron, slag is produced which is

Question # 14

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 15

Rusting of iron is catalysed by

Question # 16

Transition elements form which type of bond

Question # 17

Corrosion of iron can be prevented by coating the surface with

Question # 18

The number of unpaired electrons in Mn2+is

Question # 19

Which metal is used for catalytic hydrogenation of oils

Question # 20

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

Question # 21

The total number of d-bock transition element is

Question # 22

An oxidixing agent

Question # 23

The colour of the transition metal compounds is due to

Question # 24

The lanthanides contraction is responsible for the fact that

Question # 25

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 26

CuSO4. 5H2O is used to prepare

Question # 27

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 28

The colour of transition metal complexes is due to:

Question # 29

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

Question # 30

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
2 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
3 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above
4 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
5 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
6 Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is
A. 4
B. 5
C. 6
D. 7
7 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
8 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
9 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
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 iron
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron

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