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

Most transition elements show

Question # 2

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

Question # 3

Coordination sphere may be:

Question # 4

The formula of curprite is

Question # 5

The percentage of carbon in different types of iron products is in the order of:

Question # 6

Interstitial compounds have

Question # 7

The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears

Question # 8

5-d series is in the period :

Question # 9

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

Question # 10

Electronic configuration of Cu+2is

Question # 11

In the extraction of iron, slag is produced which is

Question # 12

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

Question # 13

Maximum variable oxidation state is of:

Question # 14

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

Question # 15

What is wrong about transition metals?

Question # 16

Which element does not belong to 4d series

Question # 17

The number of unpaired electrons in Mn2+is

Question # 18

Most common oxidation states shownby cerium are

Question # 19

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

Question # 20

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

Question # 21

Content of carbon in steel is:

Question # 22

The color of Cr3+ion is

Question # 23

Titanium is used as a catalyst in

Question # 24

Corrosion may be prevented by

Question # 25

Among the lanthandes the one obtained by synthetic method is

Question # 26

Besides Zn and Cu , German silver contains the metal

Question # 27

Sodium thisoulophate is used in photography because of its

Question # 28

Bronze is an alloy which contains

Question # 29

Which of the following is used as disinfectant

Question # 30

Which of the following is a typical transition metal

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
2 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
3 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
4 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
5 Series starting form 39Y to 48CD is in period:
A. 4th
B. 5th
C. 6th
D. 7th
6 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
7 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
8 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
9 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
10 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn

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