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

Question # 2

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

Question # 3

The colour of transition metal complexes is due to

Question # 4

The iron obtained from blast furnace is

Question # 5

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

Question # 6

Stainless steel contains ion and carbon along with

Question # 7

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 8

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

Question # 9

E.D.T.A is

Question # 10

Bell metal is an alloy of Sn and

Question # 11

5-d series is in the period :

Question # 12

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

Question # 13

Stainless steel contains Cr upto

Question # 14

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

Question # 15

The less reactivity of transition metal is due to

Question # 16

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 17

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

Question # 18

The total number of transition elements is:

Question # 19

4-d series is in the period:

Question # 20

Which one of the following has highest density

Question # 21

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

Question # 22

CuSO4. 5H2O is used to prepare

Question # 23

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 24

In the extraction of iron, slag is produced which is

Question # 25

Bronze is an alloy which contains

Question # 26

Which of the following is not related to transition metals

Question # 27

The amount of Ni in stainless steel is

Question # 28

Coordination sphere may be:

Question # 29

The Mn3+has ______ color

Question # 30

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Titanium is used as a catalyst in
A. Hydrogenation
B. Dehydrogenation
C. Polymerization of P.E.
D. Oxidation of ammonia
2 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
3 5-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
4 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
5 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
6 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
7 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
8 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these
9 4-d series is in the period:
A. 4th
B. 5th
C. 6th
D. 7th
10 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3

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