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 geometry of [Co(NH3)6]3+is

Question # 2

[Zn(NH3)4]3+possess geometry

Question # 3

Transition elements form which type of bond

Question # 4

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

Question # 5

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

Question # 6

Choose the correct answer of transition elements?

Question # 7

The Mn3+has ______ color

Question # 8

3-d series elements are present in:

Question # 9

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 10

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

Question # 11

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

Question # 12

Which of the following is a typical transition metal

Question # 13

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 14

Oxalic acid oxidizes to:

Question # 15

The colour of transition metal complexes is due to:

Question # 16

Solubility of KMnO4 at higher temperature is:

Question # 17

An oxidixing agent

Question # 18

Which is not a bidentate ligand

Question # 19

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

Question # 20

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

Question # 21

Which is in differnet phase form other metals

Question # 22

Which element belong to 5d series

Question # 23

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

Question # 24

Potassium ferrocyanide is a

Question # 25

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

Question # 26

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

Question # 27

The protection of steel by chrome plating is due to

Question # 28

CuSO4. 5H2O is used to prepare

Question # 29

The colour of the transition metal compounds is due to

Question # 30

The amount of Ni in stainless steel is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
3 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
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
4 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
5 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
6 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
7 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
8 Group VIB of transition elements contains
A. Zn, Cd, Hg
B. Fe, Ru, Os
C. Cr, Mo, W
D. Mn, Te, Re
9 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
10 The colour of the transition metal compounds is due to
A. p-d transition
B. d-d transition
C. s-p transition
D. None of these

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