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 total number of rare earth elements is

Question # 2

The colour of the transition metal compounds is due to

Question # 3

Which is the correct electronic configuration of Cr - 24

Question # 4

Property of transition element is :

Question # 5

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

Question # 6

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

Question # 7

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 8

Bronze is an alloy which contains

Question # 9

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

Question # 10

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 11

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

Question # 12

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

Question # 13

Choose the correct answer of transition elements?

Question # 14

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

Question # 15

Which metal is used for catalytic hydrogenation of oils

Question # 16

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

Question # 17

Which one of the following has highest density

Question # 18

[Zn(NH3)4]3+possess geometry

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 24

Turnbull's blue is a compound called?

Question # 25

High purity copper metal is obtained by

Question # 26

In the extraction of iron, slag is produced which is

Question # 27

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

Question # 28

Coordination sphere may be:

Question # 29

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 30

d-block elements are also called :

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
2 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
3 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
4 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
5 The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is
A. M
B. M/2
C. M/3
D. M/5
6 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
7 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
8 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
9 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
10 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium

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