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 iron obtained from blast furnace is

Question # 2

Rusting of iron is catalysed by

Question # 3

Which of the following is a typical transition metal

Question # 4

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 5

Which element does not belong to 3d transition series

Question # 6

Which is in differnet phase form other metals

Question # 7

Electronic configuration of Cu+2is

Question # 8

Content of carbon in steel is:

Question # 9

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 # 10

Which has the largest radius?

Question # 11

The lanthanides contraction is responsible for the fact that

Question # 12

Interstitial compounds have

Question # 13

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

Question # 14

Which is the correct electronic configuration of Cr - 24

Question # 15

In the extraction of iron, slag is produced which is

Question # 16

The total number of transition elements is

Question # 17

The less reactivity of transition metal is due to

Question # 18

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

Question # 19

The total number of rare earth elements is

Question # 20

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

Question # 21

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

Question # 22

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 23

The protection of steel by chrome plating is due to

Question # 24

3-d series elements are present in:

Question # 25

The total number of transition elements is:

Question # 26

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

Question # 27

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

Question # 28

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 29

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

Question # 30

Bronze is an alloy of Cu and

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
2 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
3 Turnbull's blue is a compound called?
A. Ferricyanide
B. Ferrous ferricyanide
C. Ferrous cyanide
D. Ferri - Ferro cyanide
4 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
5 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
6 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
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
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
8 During oxidation in k2Cr2O7, Cr VI changes to :
A. I
B. II
C. III
D. IV
9 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
10 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

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