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

Which is in differnet phase form other metals

Question # 2

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

Question # 3

CuSO4. 5H2O is used to prepare

Question # 4

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

Question # 5

The total number of transition elements is

Question # 6

5-d series is in the period :

Question # 7

Rusting of iron is catalysed by

Question # 8

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

Question # 9

Which of the following is a typical transition metal

Question # 10

In physical and chemical properties, transition elements show

Question # 11

The iron obtained from blast furnace is

Question # 12

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 13

Group VI-B of transition elements contains:

Question # 14

Most common oxidation states shownby cerium are

Question # 15

The number of unpaired electrons in Mn2+is

Question # 16

Which of the following metal exhibits more than one oxidation?

Question # 17

The amount of Ni in stainless steel is

Question # 18

Oxalic acid oxidizes to:

Question # 19

Which of the following is a typical transition metal?

Question # 20

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 21

Coordination sphere may be:

Question # 22

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

Question # 23

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

Question # 24

Which is the correct electronic configuration of Cr - 24

Question # 25

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 26

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

Question # 27

Which element has 4 unpaired electrons in 3d-orbital

Question # 28

Which element does not belong to 3d transition series

Question # 29

High purity copper metal is obtained by

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 number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
2 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
3 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
4 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
5 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
6 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
7 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
8 Besides Zn and Cu , German silver contains the metal
A. Sn
B. Ag
C. Ni
D. Mg
9 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
10 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3

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