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

The total number of rare earth elements is

Question # 2

Which is non typical transition element :

Question # 3

The geometry of [Co(NH3)6]3+is

Question # 4

Which one of the following has highest density

Question # 5

Most common oxidation states shownby cerium are

Question # 6

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

Question # 7

In the manufacture of iron from haematitie,limestone is added to act as

Question # 8

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

Question # 9

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

Question # 10

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

Question # 11

Series starting form 39Y to 48CD is in period:

Question # 12

The oxidation number of Ni in [Ni(CO)4] is

Question # 13

6-d series is in the period :

Question # 14

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

Question # 15

E.D.T.A is

Question # 16

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

Question # 17

Electronic configuration of Cu+2is

Question # 18

Misch mental is

Question # 19

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 20

Titanium is used as a catalyst in

Question # 21

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

Question # 22

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

Question # 23

Rusting can be avoided by :

Question # 24

The Mn3+has ______ color

Question # 25

Which of the following is used as disinfectant

Question # 26

Transition elements form which type of bond

Question # 27

Which is in differnet phase form other metals

Question # 28

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

Question # 29

Which element belong to 5d series

Question # 30

Transition elements are called so because:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
2 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
3 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
4 The protection of steel by chrome plating is due to
A. Cathodic protection
B. Anodic protection
C. Covering of steel surface
D. Formation of alloy with iron
5 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
6 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
7 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
8 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
9 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
10 Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is
A. 4
B. 5
C. 6
D. 7

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