ECAT Chemistry Chapter 17 Transition Elements

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

What is wrong about transition metals?

Question # 2

Solubility of KMnO4 at higher temperature is:

Question # 3

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

Question # 4

Corrosion of iron can be prevented by coating the surface with

Question # 5

Which one of the following has highest density

Question # 6

The amount of Ni in stainless steel is

Question # 7

Choose the correct answer of transition elements?

Question # 8

Which of the following is a typical transition metal?

Question # 9

The protection of steel by chrome plating is due to

Question # 10

Which of the following metal exhibits more than one oxidation?

Question # 11

The less reactivity of transition metal is due to

Question # 12

Bronze is an alloy of Cu and

Question # 13

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

Question # 14

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 # 15

Bell metal is an alloy of

Question # 16

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 17

Group VIB of transition elements contains

Question # 18

Turnbull's blue is a compound called?

Question # 19

The colour of the transition metal compounds is due to

Question # 20

Maximum variable oxidation state is of:

Question # 21

Titanium is used as a catalyst in

Question # 22

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

Question # 23

Which of the following compounds gives red precipitate with AgNO3?

Question # 24

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 25

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

Question # 26

Out of 110 known elements, transition elements are

Question # 27

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

Question # 28

Which element does not belong to 4d series

Question # 29

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

Question # 30

Bell metal is an alloy of Sn and

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
2 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
3 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
4 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
5 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
6 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
7 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
8 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
9 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
10 The percentage of carbon in different types of iron products is in the order of
A. Cast iron > wrought iron > steel
B. Wrought iron > steel > cast iron
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron

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