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 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 # 2

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

Question # 3

f-Block elements are also called

Question # 4

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

Question # 5

Which is the correct electronic configuration of Cr - 24

Question # 6

[Cu[NH3)4]+2will form ______ structure

Question # 7

Which of the following is not an element?

Question # 8

What is wrong about transition metals?

Question # 9

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

Question # 10

The colour of transition metal complexes is due to

Question # 11

Which is in differnet phase form other metals

Question # 12

6-d series is in the period :

Question # 13

[Ti(H2O)6]+3ion absorbs colour:

Question # 14

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

Question # 15

Choose the correct answer of transition elements?

Question # 16

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

Question # 17

Bessemer converter is used in the manufacture of

Question # 18

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 19

An oxidixing agent

Question # 20

The iron obtained from blast furnace is

Question # 21

The total number of inner transition elements in the periodic table is

Question # 22

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 23

Potassium hexacyanoferrate (II) has the formula

Question # 24

In the extraction of iron, slag is produced which is

Question # 25

The compound which gives oxygen on moderate heating is

Question # 26

In the manufacture of iron from haematitie,limestone is added to act as

Question # 27

Cu2+with d9electronic configuration appears

Question # 28

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

Question # 29

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 30

Which element does not belong to 4d series

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
2 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
3 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%
4 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
5 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
6 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
7 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
8 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
9 Potassium ferrocyanide is a
A. Mixed salt
B. Double salt
C. Complex salt
D. Normal salt
10 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons

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