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

Out of 110 known elements, transition elements are

Question # 2

The color of Cr3+ion is

Question # 3

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

Question # 4

Bell metal is an alloy of Sn and

Question # 5

f-block elements are called :

Question # 6

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 7

The total number of rare earth elements is

Question # 8

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

Question # 9

Choose the correct answer of transition elements?

Question # 10

Property of transition element is :

Question # 11

Most common oxidation states shownby cerium are

Question # 12

The colour of transition metal complexes is due to

Question # 13

The lanthanides contraction is responsible for the fact that

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

4-d series is in the period:

Question # 18

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

Question # 19

Potassium ferrocyanide is a

Question # 20

Oxalic acid oxidizes to:

Question # 21

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 22

Which element has 4 unpaired electrons in 3d-orbital

Question # 23

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

Question # 24

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 25

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

Question # 26

Bell metal is an alloy of

Question # 27

What are alloys

Question # 28

Cuprous ore among the following is

Question # 29

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 30

Which of the following is not correct about transition metals?

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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 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
3 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
4 Property of transition element is :
A. Low m.p and b.p
B. Parramagnetism
C. Oxidation state
D. Low binding energies
5 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te
6 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
7 Group VIB of transition elements contains
A. Zn, Cd, Hg
B. Fe, Ru, Os
C. Cr, Mo, W
D. Mn, Te, Re
8 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
9 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
10 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27

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