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 color of Cr3+ion is

Question # 2

Besides Zn and Cu , German silver contains the metal

Question # 3

Potassium hexacyanoferrate (II) has the formula

Question # 4

Content of carbon in steel is:

Question # 5

The iron obtained from blast furnace is

Question # 6

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

Question # 7

Corrosion of iron can be prevented by coating the surface with

Question # 8

E.D.T.A is

Question # 9

The colour of transition metal complexes is due to

Question # 10

Choose the correct answer of transition elements?

Question # 11

Transition elements form which type of bond

Question # 12

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Bronze is an alloy of Cu and

Question # 17

Transition elements are called so because:

Question # 18

Group VIB of transition elements contains

Question # 19

Sodium thisoulophate is used in photography because of its

Question # 20

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

Question # 21

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 22

Which element does not belong to 3d transition series

Question # 23

d-block elements are also called :

Question # 24

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

Question # 25

The total number of transition elements is

Question # 26

6-d series is in the period :

Question # 27

The oxidation number of Ni in [Ni(CO)4] is

Question # 28

Bessemer converter is used in the manufacture of

Question # 29

Which has the largest radius?

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
2 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
3 A transition element is defined as an element of 3d series
A. Which is metal
B. Which has one stable ion
C. Which has two stable ions
D. Which has at least one stable ion with incomplete d-orbital
4 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
5 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
6 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%
7 IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are
A. Non typical transition element
B. Typical transition element
C. Normal elements
D. Inner transition element
8 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te
9 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
10 Corrosion of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above

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