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

The lanthanides contraction is responsible for the fact that

Question # 2

Titanium is used as a catalyst in

Question # 3

Corrosion of iron can be prevented by coating the surface with

Question # 4

Bronze is an alloy of Cu and

Question # 5

Rusting can be avoided by :

Question # 6

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

Question # 7

Which of the following is a not typical transition element

Question # 8

Series starting from57La,42Hf -80Hg is in the period:

Question # 9

Sodium thisoulophate is used in photography because of its

Question # 10

Which of the following is a typical transition metal

Question # 11

Choose the correct answer of transition elements?

Question # 12

Which is the correct electronic configuration of Cr - 24

Question # 13

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 14

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

Question # 15

Misch mental is

Question # 16

Which of the following is a transition element

Question # 17

Which of the following is not an element?

Question # 18

The colour of transition metal complexes is due to

Question # 19

[Cu[NH3)4]+2will form ______ structure

Question # 20

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

Question # 21

The Mn3+has ______ color

Question # 22

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

Question # 23

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 24

Potassium ferrocyanide is a

Question # 25

Which of the following is not related to transition metals

Question # 26

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

Question # 27

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 28

Which of the following is not correct about transition metals?

Question # 29

Which of the following metal exhibits more than one oxidation?

Question # 30

Coordination sphere may be:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
2 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
3 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
4 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
5 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
6 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
7 Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is
A. 4
B. 5
C. 6
D. 7
8 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
9 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
10 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements

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