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

Besides Zn and Cu , German silver contains the metal

Question # 2

Which of the following is not correct about transition metals?

Question # 3

Bell metal is an alloy of

Question # 4

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 5

Which is used to identify Cu2+ions

Question # 6

Potassium chromate has formula

Question # 7

Stainless steel contains Cr upto

Question # 8

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

Question # 9

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

Question # 10

Series starting from57La,42Hf -80Hg is in the period:

Question # 11

Bell metal is an alloy of Sn and

Question # 12

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 13

Which of the following compounds gives red precipitate with AgNO3?

Question # 14

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

Question # 15

3-d series elements are present in:

Question # 16

Interstitial compounds have

Question # 17

Which of the following metal exhibits more than one oxidation?

Question # 18

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 19

The total number of rare earth elements is

Question # 20

The amount of Ni in stainless steel is

Question # 21

Which element belong to 5d series

Question # 22

Which is not a bidentate ligand

Question # 23

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

Question # 24

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

Question # 25

Which of the following is a typical transition metal

Question # 26

The protection of steel by chrome plating is due to

Question # 27

Transition elements form which type of bond

Question # 28

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

Question # 29

[Ti(H2O)6]+3ion absorbs colour:

Question # 30

Misch mental is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
2 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
3 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
4 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
5 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
6 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
7 The number of unpaired electrons in Mn2+is
A. 5
B. 4
C. 3
D. 2
8 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
9 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
10 Which of the following is a typical transition metal
A. Sc
B. Y
C. Ra
D. Co

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