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

[Zn(NH3)4]3+possess geometry

Question # 2

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

Question # 3

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 4

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

Question # 5

Bronze is an alloy of Cu and

Question # 6

The oxidation number of Ni in [Ni(CO)4] is

Question # 7

Elements in which f-orbitals are in the process of completion are called

Question # 8

Which element has 4 unpaired electrons in 3d-orbital

Question # 9

5-d series is in the period :

Question # 10

Corrosion may be prevented by

Question # 11

Group VIB of transition elements contains

Question # 12

The free spaces between the metal atoms and its crystal lattice are called

Question # 13

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

Question # 14

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 15

The colour of transition metal complexes is due to:

Question # 16

Which is in differnet phase form other metals

Question # 17

Sodium thisoulophate is used in photography because of its

Question # 18

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

Question # 19

The colour of transition metal complexes is due to

Question # 20

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 # 21

What is wrong about transition metals?

Question # 22

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

Question # 23

Maximum variable oxidation state is of:

Question # 24

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

Question # 25

Which of the following compounds gives red precipitate with AgNO3?

Question # 26

The number of unpaired electrons in Mn2+is

Question # 27

Cuprous ore among the following is

Question # 28

German silver does not contain

Question # 29

Transition metals mostly are

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5
2 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu
3 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
4 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
5 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
6 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
7 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
8 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+
9 IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are
A. Non typical transition element
B. Typical transition element
C. Normal elements
D. Inner transition element
10 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30

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