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

Potassium chromate has formula

Question # 2

Transition metals form complexes due to the participation of partially filled

Question # 3

The color of Cr3+ion is

Question # 4

Choose the correct answer of transition elements?

Question # 5

The total number of inner transition elements in the periodic table is

Question # 6

What is the name of the comlex [Ni(CO)4]

Question # 7

Which element belong to 5d series

Question # 8

Which element does not belong to 4d series

Question # 9

f-Block elements are also called

Question # 10

Which is not a bidentate ligand

Question # 11

Corrosion of iron can be prevented by coating the surface with

Question # 12

German silver does not contain

Question # 13

Which of the following is used as disinfectant

Question # 14

The less reactivity of transition metal is due to

Question # 15

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

Question # 16

Steel may be manufacture by two processes which two are correct

Question # 17

The colour of the transition metal compounds is due to

Question # 18

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

Question # 19

Rusting can be avoided by :

Question # 20

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

Question # 21

The formula of curprite is

Question # 22

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 # 23

Titanium is used as a catalyst in

Question # 24

Which is the correct electronic configuration of Cr - 24

Question # 25

Among the lanthandes the one obtained by synthetic method is

Question # 26

Bell metal is an alloy of Sn and

Question # 27

Which one of the following has highest density

Question # 28

Potassium ferrocyanide is a

Question # 29

Rusting of iron is catalysed by

Question # 30

Cuprous ore among the following is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
2 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
3 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
4 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
5 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
6 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
7 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
8 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
9 A transition metal complex can be recognized by various terms. Which is not the proper term
A. Central metal ion
B. Coordination number
C. Ligand
D. Geometry of complex
10 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green

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