ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

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

6-d series is in the period :

Question # 2

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 3

Most common oxidation states shownby cerium are

Question # 4

Bell metal is an alloy of Sn and

Question # 5

Maximum variable oxidation state is of:

Question # 6

German silver does not contain

Question # 7

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 8

Potassium chromate has formula

Question # 9

Which of the following is a non-typical transition elements

Question # 10

Group VIB of transition elements contains

Question # 11

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

Question # 12

Coordination sphere may be:

Question # 13

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

Question # 14

Which of the following metal exhibits more than one oxidation?

Question # 15

f-Block elements are also called

Question # 16

The total number of rare earth elements is

Question # 17

Which has the largest radius?

Question # 18

The colour of the transition metal compounds is due to

Question # 19

Which is in differnet phase form other metals

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

The total number of transition elements is

Question # 25

Which is not a bidentate ligand

Question # 26

The iron obtained from blast furnace is

Question # 27

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

Question # 28

Which of the following is used as disinfectant

Question # 29

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 # 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 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
2 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
3 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
4 A transition element is defined as an element of 3d series
A. Which is metal
B. Which has one stable ion
C. Which has two stable ions
D. Which has at least one stable ion with incomplete d-orbital
5 The protection of steel by chrome plating is due to
A. Cathodic protection
B. Anodic protection
C. Covering of steel surface
D. Formation of alloy with iron
6 Transition elements are called so because:
A. Form interstital sompounds
B. have high m.p
C. In between 's' and' 'p' block elements
D. All of these
7 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%
8 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
9 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
10 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re

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