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

Rusting can be avoided by :

Question # 2

Group VIB of transition elements contains

Question # 3

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

Question # 4

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

Question # 5

Bell metal is an alloy of Sn and

Question # 6

Which period starts from 11Sc to 30Zn ?

Question # 7

Most common oxidation states shownby cerium are

Question # 8

The less reactivity of transition metal is due to

Question # 9

CuSO4. 5H2O is used to prepare

Question # 10

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

Question # 11

Which element does not belong to 3d transition series

Question # 12

Which one of the following has highest density

Question # 13

Turnbull's blue is a compound called?

Question # 14

Transition elements form which type of bond

Question # 15

The elements in which d or f-orbitals are incomplete are called

Question # 16

The number of unpaired electrons in Mn2+is

Question # 17

Bronze is an alloy of Cu and

Question # 18

Misch mental is

Question # 19

The Mn3+has ______ color

Question # 20

AgCl is soluble is

Question # 21

Potassium hexacyanoferrate (II) has the formula

Question # 22

Which of the following elements does not show variable oxidation states?

Question # 23

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 24

Which is the correct electronic configuration of Cr - 24

Question # 25

The amount of Ni in stainless steel is

Question # 26

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

Question # 27

Which is non typical transition element :

Question # 28

Besides Zn and Cu , German silver contains the metal

Question # 29

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

Question # 30

The color of Cr3+ion is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 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%
3 Transition metals form complexes due to the participation of partially filled
A. f-orbitals
B. d-orbitals
C. s-orbitals
D. p-orbitals
4 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
5 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
6 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn
7 Which of the following is not an element?
A. Graphite
B. Diamond
C. 22-Carat gold
D. Rhombic sulphur
8 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
9 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
10 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

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