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

Potassium ferrocyanide is a

Question # 2

Most transition elements show

Question # 3

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

Question # 4

Which of the following is not an element?

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 9

Content of carbon in steel is:

Question # 10

Rusting can be avoided by :

Question # 11

Titanium is used as a catalyst in

Question # 12

Which element belong to 5d series

Question # 13

Which of the following is a transition element

Question # 14

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

Question # 15

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

Question # 16

Which of the following is non-typical transition element?

Question # 17

The formula of curprite is

Question # 18

What is wrong about transition metals?

Question # 19

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

Question # 20

Which of the following is used as disinfectant

Question # 21

Which of the following has the maximum number of unpaired d-electrons?

Question # 22

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

Question # 23

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

Question # 24

Transition elements are called so because:

Question # 25

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

Question # 26

Which element does not belong to 4d series

Question # 27

High purity copper metal is obtained by

Question # 28

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

Question # 29

Group VI-B of transition elements contains:

Question # 30

Steel may be manufacture by two processes which two are correct

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
3 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
4 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
5 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
6 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
7 A transition metal complex can be recognized by various terms. Which is not the proper term
A. Central metal ion
B. Coordination number
C. Ligand
D. Geometry of complex
8 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
9 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these
10 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5

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