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 total number of rare earth elements is

Question # 2

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

Question # 3

The total number of transition elements is:

Question # 4

The colour of the transition metal compounds is due to

Question # 5

[Co(NH3)6]3+will form ______ structure

Question # 6

Group VI-B of transition elements contains:

Question # 7

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 8

Stainless steel contains Cr upto

Question # 9

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

Question # 10

Elements in which f-orbitals are in the process of completion are called

Question # 11

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 12

6-d series is in the period :

Question # 13

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

Question # 14

The color of Cr3+ion is

Question # 15

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

Question # 16

Corrosion may be prevented by

Question # 17

Which element belong to 5d series

Question # 18

Which of the following is not related to transition metals

Question # 19

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 20

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

Question # 21

Potassium ferrocyanide is a

Question # 22

Which of the following is not an element?

Question # 23

What is wrong about transition metals?

Question # 24

4-d series is in the period:

Question # 25

Which of the following is a non-typical transition elements

Question # 26

Steel may be manufacture by two processes which two are correct

Question # 27

Transition elements are called so because:

Question # 28

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

Question # 29

High purity copper metal is obtained by

Question # 30

Out of 110 known elements, transition elements are

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Corrosion of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above
2 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
3 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
4 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
5 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
6 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
7 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
8 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
9 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
10 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th

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