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

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

Question # 2

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 3

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

Question # 4

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

Question # 5

6-d series is in the period :

Question # 6

What are alloys

Question # 7

3-d series elements are present in:

Question # 8

The elements in which d or f-orbitals are incomplete are called

Question # 9

Which is used to identify Cu2+ions

Question # 10

The less reactivity of transition metal is due to

Question # 11

Which of the following is a non-typical transition elements

Question # 12

The total number of d-bock transition element is

Question # 13

Which metal is used for catalytic hydrogenation of oils

Question # 14

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

Question # 15

The coordination number of iron in [Fe(H2O)6]3+is

Question # 16

Bell metal is an alloy of

Question # 17

The colour of transition metal complexes is due to

Question # 18

Which of the following acts as ligand

Question # 19

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

Question # 20

Which is non typical transition element :

Question # 21

High purity copper metal is obtained by

Question # 22

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

Question # 23

Series starting form 39Y to 48CD is in period:

Question # 24

The compound which gives oxygen on moderate heating is

Question # 25

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

Question # 26

The protection of steel by chrome plating is due to

Question # 27

Bronze is an alloy of Cu and

Question # 28

The number of unpaired electrons in Mn2+is

Question # 29

Transition elements are called so because:

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 Which of the following is not an element?
A. Graphite
B. Diamond
C. 22-Carat gold
D. Rhombic sulphur
2 Content of carbon in steel is:
A. 0.12 to 0.25%
B. 0.25% to 2.5%
C. 3.0 to 3.5%
D. 4.0 to 4.5%
3 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
4 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
5 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2
6 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
7 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
8 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
9 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
A. [Pt(NH3)4(NO2)] SO4
B. [Pt NO2CI(NH3)4] SO4
C. [Pt CI(NO2) (NH3)4] SO4
D. [Pt (NH3)4(NO2) CI] SO4
10 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te

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