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

00:00
Question # 1

Bronze is an alloy of Cu and

Question # 2

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

Question # 3

The less reactivity of transition metal is due to

Question # 4

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 5

Bell metal is an alloy of

Question # 6

d-block elements are also called :

Question # 7

What are alloys

Question # 8

Content of carbon in steel is:

Question # 9

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 10

Sodium thisoulophate is used in photography because of its

Question # 11

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

Question # 12

The total number of d-bock transition element is

Question # 13

Which of the following compounds gives red precipitate with AgNO3?

Question # 14

Which element has 4 unpaired electrons in 3d-orbital

Question # 15

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 16

3-d series elements are present in:

Question # 17

Maximum variable oxidation state is of:

Question # 18

Transition elements are called so because:

Question # 19

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

Question # 20

The total number of inner transition elements in the periodic table is

Question # 21

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

Question # 22

Which is not a bidentate ligand

Question # 23

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

Question # 24

Potassium hexacyanoferrate (II) has the formula

Question # 25

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

Question # 26

Transition elements form which type of bond

Question # 27

The formula of curprite is

Question # 28

Transition metals form complexes due to the participation of partially filled

Question # 29

The compound which gives oxygen on moderate heating is

Question # 30

Which of the following is a non-typical transition elements

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
2 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
3 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
4 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu
5 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
6 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
7 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
8 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
9 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
10 Which of the following is not an element?
A. Graphite
B. Diamond
C. 22-Carat gold
D. Rhombic sulphur

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