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

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

Question # 2

In physical and chemical properties, transition elements show

Question # 3

The iron obtained from blast furnace is

Question # 4

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

Question # 5

The compound which gives oxygen on moderate heating is

Question # 6

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

Question # 7

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

Question # 8

The total number of transition elements is:

Question # 9

Stainless steel contains Cr upto

Question # 10

Potassium hexacyanoferrate (II) has the formula

Question # 11

Which of the following compounds gives red precipitate with AgNO3?

Question # 12

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

Question # 13

Content of carbon in steel is:

Question # 14

What is wrong about transition metals?

Question # 15

The total number of rare earth elements is

Question # 16

Rusting can be avoided by :

Question # 17

The formula of curprite is

Question # 18

Sodium thisoulophate is used in photography because of its

Question # 19

3-d series elements are present in:

Question # 20

The lanthanides contraction is responsible for the fact that

Question # 21

Maximum variable oxidation state is of:

Question # 22

Out of 110 known elements, transition elements are

Question # 23

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 # 24

Interstitial compounds have

Question # 25

Corrosion may be prevented by

Question # 26

The colour of transition metal complexes is due to:

Question # 27

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

Question # 28

Elements in which f-orbitals are in the process of completion are called

Question # 29

The number of unpaired electrons in Mn2+is

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements
A. Transition elements show variable oxidation states
B. Their salts are coloured
C. They can be used as catalyst
D. All of them are metals
2 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
3 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
4 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%
5 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
6 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
7 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
8 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
9 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
10 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

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