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

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

Question # 2

Which is non typical transition element :

Question # 3

Which one of the following metal ions is colourless?

Question # 4

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

Question # 5

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

Question # 6

Steel may be manufacture by two processes which two are correct

Question # 7

Which of the following is a transition element

Question # 8

The lanthanides contraction is responsible for the fact that

Question # 9

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 10

Corrosion may be prevented by

Question # 11

CuSO4. 5H2O is used to prepare

Question # 12

Content of carbon in steel is:

Question # 13

The colour of transition metal complexes is due to

Question # 14

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

Question # 15

Which of the following is non-typical transition element?

Question # 16

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

Question # 17

The coordination number of iron in [Fe(H2O)6]3+is

Question # 18

Potassium hexacyanoferrate (II) has the formula

Question # 19

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

Question # 20

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Question # 21

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

Question # 22

E.D.T.A is

Question # 23

The formula of curprite is

Question # 24

Out of 110 known elements, transition elements are

Question # 25

The total number of d-bock transition element is

Question # 26

Which of the following is not related to transition metals

Question # 27

The compound which gives oxygen on moderate heating is

Question # 28

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

Question # 29

Sodium thisoulophate is used in photography because of its

Question # 30

Transition metals form complexes due to the participation of partially filled

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
2 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
3 f-block elements are called :
A. Alkali metal
B. Alkakline earth metals
C. Transition elements
D. Electron deficient elements
4 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
5 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
6 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
7 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
8 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
9 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
10 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4

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