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 compound which gives oxygen on moderate heating is

Question # 2

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

Question # 3

[Ti(H2O)6]+3ion absorbs colour:

Question # 4

Group VIB of transition elements contains

Question # 5

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 6

Bronze is an alloy which contains

Question # 7

Transition metals mostly are

Question # 8

Besides Zn and Cu , German silver contains the metal

Question # 9

German silver does not contain

Question # 10

Which one of the following has highest density

Question # 11

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

Question # 12

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

Question # 13

Which of the following acts as ligand

Question # 14

The less reactivity of transition metal is due to

Question # 15

Choose the correct answer of transition elements?

Question # 16

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

Question # 17

In the extraction of iron, slag is produced which is

Question # 18

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

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

f-Block elements are also called

Question # 21

Potassium ferrocyanide is a

Question # 22

Which metal is used for catalytic hydrogenation of oils

Question # 23

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

Question # 24

AgCl is soluble is

Question # 25

Corrosion may be prevented by

Question # 26

Which is not a bidentate ligand

Question # 27

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 # 28

Solubility of KMnO4 at higher temperature is:

Question # 29

Most common oxidation states shownby cerium are

Question # 30

The total number of d-bock transition element is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
2 Mercury is the only metal which is liquid at 0°C. this is due to its
A. Very high ionization energy and weak metallic bond
B. Low ionization potential
C. High atomic weight
D. High vapour pressure
3 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
4 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
5 The percentage of carbon in different types of iron products is in the order of
A. Cast iron > wrought iron > steel
B. Wrought iron > steel > cast iron
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
6 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
7 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
8 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
9 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
10 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+

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