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

Question # 2

Content of carbon in steel is:

Question # 3

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

Question # 4

Which of the following is not an element?

Question # 5

Stainless steel contains Cr upto

Question # 6

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 11

Potassium chromate has formula

Question # 12

Bronze is an alloy which contains

Question # 13

Bessemer converter is used in the manufacture of

Question # 14

The colour of transition metal complexes is due to

Question # 15

Which of the following is a typical transition metal?

Question # 16

f-block elements are called :

Question # 17

Which metal is used for catalytic hydrogenation of oils

Question # 18

What are alloys

Question # 19

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 20

Which element has 4 unpaired electrons in 3d-orbital

Question # 21

In the manufacture of iron from haematitie,limestone is added to act as

Question # 22

3-d series elements are present in:

Question # 23

What is wrong about transition metals?

Question # 24

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

Question # 25

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

Question # 26

Which is not a bidentate ligand

Question # 27

Which of the following is a not typical transition element

Question # 28

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 # 29

Which is in differnet phase form other metals

Question # 30

Which of the following is not correct about transition metals?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
2 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
3 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
4 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
5 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
6 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
7 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
8 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
9 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
10 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3

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