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

Transition metals mostly are

Question # 2

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 3

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

Question # 4

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

Question # 5

Coordination sphere may be:

Question # 6

Which of the following is not correct about transition metals?

Question # 7

The colour of transition metal complexes is due to:

Question # 8

[Zn(NH3)4]3+possess geometry

Question # 9

Most transition elements show

Question # 10

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

Question # 11

Bronze is an alloy which contains

Question # 12

The amount of Ni in stainless steel is

Question # 13

Which one of the following has highest density

Question # 14

Which of the following is a typical transition metal

Question # 15

A transition element is defined as an element of 3d series

Question # 16

Property of transition element is :

Question # 17

An oxidixing agent

Question # 18

Stainless steel contains ion and carbon along with

Question # 19

Which element belong to 5d series

Question # 20

What is the shape of Fe(CO)5molecule?

Question # 21

Which of the following is a carbonate are?

Question # 22

Potassium chromate has formula

Question # 23

The number of unpaired electrons in Mn2+is

Question # 24

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 25

The formula of curprite is

Question # 26

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 27

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

Question # 28

The protection of steel by chrome plating is due to

Question # 29

Out of 110 known elements, transition elements are

Question # 30

Across the lanthanide series, the basicity of the lanthanide hydroxides

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
2 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
3 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
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
4 Transition elements are called so because:
A. Form interstital sompounds
B. have high m.p
C. In between 's' and' 'p' block elements
D. All of these
5 Which of the following metals is sometimes found in native state in nature?
A. Al
B. Cu
C. Fe
D. Mg
6 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
7 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
8 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
9 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
A. [Pt(NH3)4(NO2)] SO4
B. [Pt NO2CI(NH3)4] SO4
C. [Pt CI(NO2) (NH3)4] SO4
D. [Pt (NH3)4(NO2) CI] SO4
10 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these

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