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

Potassium chromate has formula

Question # 2

Which of the following is a not typical transition element

Question # 3

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

Question # 4

Transition metals form complexes due to the participation of partially filled

Question # 5

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

Question # 6

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

Question # 7

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 8

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

Question # 9

Bell metal is an alloy of Sn and

Question # 10

Which of the following metals is sometimes found in native state in nature?

Question # 11

The number of unpaired electrons in Mn2+is

Question # 12

What is wrong about transition metals?

Question # 13

The compound which gives oxygen on moderate heating is

Question # 14

f-Block elements are also called

Question # 15

Which is non typical transition element :

Question # 16

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 17

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 # 18

The iron obtained from blast furnace is

Question # 19

Titanium is used as a catalyst in

Question # 20

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

Question # 21

Interstitial compounds have

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

Stainless steel contains ion and carbon along with

Question # 26

Which of the following is a carbonate are?

Question # 27

Bell metal is an alloy of

Question # 28

Sodium thisoulophate is used in photography because of its

Question # 29

The colour of the transition metal compounds is due to

Question # 30

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

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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 electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
2 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
3 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
4 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
5 Titanium is used as a catalyst in
A. Hydrogenation
B. Dehydrogenation
C. Polymerization of P.E.
D. Oxidation of ammonia
6 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
7 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
8 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
9 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
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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