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

Group VI-B of transition elements contains:

Question # 2

[Co(NH3)6]3+will form ______ structure

Question # 3

Maximum variable oxidation state is of:

Question # 4

Which metal is used for catalytic hydrogenation of oils

Question # 5

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 # 6

Which of the following is non-typical transition element?

Question # 7

Which of the following is not an element?

Question # 8

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

Question # 9

Group VIB of transition elements contains

Question # 10

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

Question # 11

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

Question # 12

The protection of steel by chrome plating is due to

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

f-block elements are called :

Question # 17

German silver does not contain

Question # 18

The total number of transition elements is:

Question # 19

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Titanium is used as a catalyst in

Question # 24

Which element belong to 5d series

Question # 25

Which element has 4 unpaired electrons in 3d-orbital

Question # 26

Cu2+with d9electronic configuration appears

Question # 27

Bell metal is an alloy of Sn and

Question # 28

3-d series elements are present in:

Question # 29

Most common oxidation states shownby cerium are

Question # 30

The total number of d-bock transition element is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
2 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
3 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
4 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic
5 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
6 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
7 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
8 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
9 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
10 Group VIB of transition elements contains
A. Zn, Cd, Hg
B. Fe, Ru, Os
C. Cr, Mo, W
D. Mn, Te, Re

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