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

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 2

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

Question # 3

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

Question # 4

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 5

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

Question # 6

Corrosion of iron can be prevented by coating the surface with

Question # 7

An oxidixing agent

Question # 8

In physical and chemical properties, transition elements show

Question # 9

The Mn3+has ______ color

Question # 10

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

Question # 11

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

Question # 12

Which of the following compounds gives red precipitate with AgNO3?

Question # 13

Transition metals mostly are

Question # 14

The colour of transition metal complexes is due to

Question # 15

AgCl is soluble is

Question # 16

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

Question # 17

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 18

Which metal is used for catalytic hydrogenation of oils

Question # 19

Potassium chromate has formula

Question # 20

Coordination sphere may be:

Question # 21

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

Question # 22

What is wrong about transition metals?

Question # 23

Steel may be manufacture by two processes which two are correct

Question # 24

Which one of the following has highest density

Question # 25

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

Question # 26

Misch mental is

Question # 27

Sodium thisoulophate is used in photography because of its

Question # 28

Which of the following is a carbonate are?

Question # 29

Which element does not belong to 4d series

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a typical transition metal
A. Sc
B. Y
C. Ra
D. Co
2 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
3 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
4 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
5 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
6 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
7 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
8 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
9 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
10 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd

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