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

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

Question # 2

Bessemer converter is used in the manufacture of

Question # 3

Which one of the following has highest density

Question # 4

The formula of curprite is

Question # 5

In physical and chemical properties, transition elements show

Question # 6

Which is used to identify Cu2+ions

Question # 7

Solubility of KMnO4 at higher temperature is:

Question # 8

Which of the following is a carbonate are?

Question # 9

Bronze is an alloy of Cu and

Question # 10

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

Question # 11

Potassium hexacyanoferrate (II) has the formula

Question # 12

An oxidixing agent

Question # 13

Which element has 4 unpaired electrons in 3d-orbital

Question # 14

Which is in differnet phase form other metals

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The number of unpaired electrons in Mn2+is

Question # 19

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

Question # 20

6-d series is in the period :

Question # 21

The Mn3+has ______ color

Question # 22

4-d series is in the period:

Question # 23

What is wrong about transition metals?

Question # 24

High purity copper metal is obtained by

Question # 25

Transition elements are called so because:

Question # 26

Most transition elements show

Question # 27

Coordination sphere may be:

Question # 28

Titanium is used as a catalyst in

Question # 29

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
2 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above
3 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
4 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
5 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
6 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
7 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
8 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
9 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6
10 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th

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