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

Out of 110 known elements, transition elements are

Question # 2

Transition elements form which type of bond

Question # 3

Sodium thisoulophate is used in photography because of its

Question # 4

Steel may be manufacture by two processes which two are correct

Question # 5

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 6

Which metal is used for catalytic hydrogenation of oils

Question # 7

Potassium ferrocyanide is a

Question # 8

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 9

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

Question # 10

Which of the following acts as ligand

Question # 11

Which of the following compounds gives red precipitate with AgNO3?

Question # 12

Rusting can be avoided by :

Question # 13

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 14

The total number of rare earth elements is

Question # 15

Bell metal is an alloy of Sn and

Question # 16

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

Question # 17

d-block elements are also called :

Question # 18

Electronic configuration of Cu+2is

Question # 19

Which of the following metals is sometimes found in native state in nature?

Question # 20

Which one of the following has highest density

Question # 21

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

Question # 22

Which period starts from 11Sc to 30Zn ?

Question # 23

3-d series elements are present in:

Question # 24

AgCl is soluble is

Question # 25

f-Block elements are also called

Question # 26

Rusting of iron is catalysed by

Question # 27

Interstitial compounds have

Question # 28

Which is used to identify Cu2+ions

Question # 29

Coordination sphere may be:

Question # 30

The oxidation state of Fe in [Fe(CN)6]3-is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
2 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
3 Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is
A. 4
B. 5
C. 6
D. 7
4 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2
5 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
6 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
A. Pt(NH3)6CI4
B. Pt(NH3)5CI4
C. Pt(NH3)4CI4
D. Pt(NH3)3CI4
7 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
8 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
9 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
10 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

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