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

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

Question # 2

Coordination sphere may be:

Question # 3

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

Question # 4

Choose the correct answer of transition elements?

Question # 5

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

Question # 6

The colour of transition metal complexes is due to:

Question # 7

f-Block elements are also called

Question # 8

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

Question # 9

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

Question # 10

Which of the following is a typical transition metal

Question # 11

Which is used to identify Cu2+ions

Question # 12

Property of transition element is :

Question # 13

f-block elements are called :

Question # 14

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

Question # 15

The number of unpaired electrons in Mn2+is

Question # 16

The color of Cr3+ion is

Question # 17

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

Question # 18

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

Question # 19

Rusting can be avoided by :

Question # 20

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

Question # 21

The colour of transition metal complexes is due to

Question # 22

Interstitial compounds have

Question # 23

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

Question # 24

[Ti(H2O)6]+3ion absorbs colour:

Question # 25

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

Question # 26

Cu2+with d9electronic configuration appears

Question # 27

The total number of transition elements is:

Question # 28

Transition metals mostly are

Question # 29

Bronze is an alloy of Cu and

Question # 30

Maximum variable oxidation state is of:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
3 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
4 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
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 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
7 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
8 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
9 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
10 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5

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