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

Which of the following metal exhibits more than one oxidation?

Question # 2

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

Question # 3

Which of the following is a not typical transition element

Question # 4

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

Question # 5

Corrosion may be prevented by

Question # 6

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

Question # 7

Transition metals form complexes due to the participation of partially filled

Question # 8

Misch mental is

Question # 9

Turnbull's blue is a compound called?

Question # 10

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

Question # 11

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

Question # 12

The elements in which d or f-orbitals are incomplete are called

Question # 13

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 # 14

Transition metals mostly are

Question # 15

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

Question # 16

The protection of steel by chrome plating is due to

Question # 17

Which metal is used for catalytic hydrogenation of oils

Question # 18

Content of carbon in steel is:

Question # 19

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

Question # 20

Bronze is an alloy of Cu and

Question # 21

Which of the following is used as disinfectant

Question # 22

Interstitial compounds have

Question # 23

The amount of Ni in stainless steel is

Question # 24

Which element does not belong to 3d transition series

Question # 25

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 # 26

6-d series is in the period :

Question # 27

Cuprous ore among the following is

Question # 28

Which is not a bidentate ligand

Question # 29

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

Question # 30

Potassium hexacyanoferrate (II) has the formula

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
3 Series starting from57La,42Hf -80Hg is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
4 [Cu[NH3)4]+2will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyramidal
5 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium
6 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
7 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
8 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
9 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
10 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3

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