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

The number of unpaired electrons in Mn2+is

Question # 2

The lanthanides contraction is responsible for the fact that

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 acts as ligand

Question # 5

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 6

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

Question # 7

Potassium chromate has formula

Question # 8

Which is in differnet phase form other metals

Question # 9

Maximum variable oxidation state is of:

Question # 10

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

Question # 11

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

Question # 12

Besides Zn and Cu , German silver contains the metal

Question # 13

Transition elements are called so because:

Question # 14

6-d series is in the period :

Question # 15

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 16

Bell metal is an alloy of

Question # 17

Which of the following has the maximum number of unpaired d-electrons?

Question # 18

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

Question # 19

The colour of transition metal complexes is due to

Question # 20

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 21

The total number of transition elements is:

Question # 22

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

Question # 23

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

Question # 24

The protection of steel by chrome plating is due to

Question # 25

Electronic configuration of Cu+2is

Question # 26

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

Question # 27

Rusting can be avoided by :

Question # 28

What is the name of the comlex [Ni(CO)4]

Question # 29

Which of the following is a carbonate are?

Question # 30

Transition metals mostly are

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
2 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
3 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
4 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
5 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
6 Which is not a bidentate ligand
A.
7 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
8 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
9 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
10 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green

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