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

An oxidixing agent

Question # 2

Maximum variable oxidation state is of:

Question # 3

Which is non typical transition element :

Question # 4

Potassium hexacyanoferrate (II) has the formula

Question # 5

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

Question # 6

Which of the following is a not typical transition element

Question # 7

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

Question # 8

Which is in differnet phase form other metals

Question # 9

Coordination sphere may be:

Question # 10

Which element does not belong to 4d series

Question # 11

Group VI-B of transition elements contains:

Question # 12

In the extraction of iron, slag is produced which is

Question # 13

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

Question # 14

Corrosion may be prevented by

Question # 15

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

Question # 16

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

Question # 17

Which element has 4 unpaired electrons in 3d-orbital

Question # 18

Which metal is used for catalytic hydrogenation of oils

Question # 19

Besides Zn and Cu , German silver contains the metal

Question # 20

Which one of the following has highest density

Question # 21

Solubility of KMnO4 at higher temperature is:

Question # 22

Which is the correct electronic configuration of Cr - 24

Question # 23

The Mn3+has ______ color

Question # 24

[Zn(NH3)4]3+possess geometry

Question # 25

6-d series is in the period :

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

Which is used to identify Cu2+ions

Question # 30

Which of the following is a typical transition metal

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ECAT Chapter 17 Important MCQ's

Sr.# Question Answer
1 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
2 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
3 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
4 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
5 Mercury is the only metal which is liquid at 0°C. this is due to its
A. Very high ionization energy and weak metallic bond
B. Low ionization potential
C. High atomic weight
D. High vapour pressure
6 Which of the following is a typical transition metal
A. Sc
B. Y
C. Ra
D. Co
7 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
8 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
9 Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because
A. It less reactive than copper
B. A layer of sulphates is deposited on it
C. An inert layer of iron oxide is deposited on it
D. All valence electrons of iron are consumed
10 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

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