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

Which element has 4 unpaired electrons in 3d-orbital

Question # 2

Electronic configuration of Cu+2is

Question # 3

Which of the following metal exhibits more than one oxidation?

Question # 4

Transition metals mostly are

Question # 5

f-block elements are called :

Question # 6

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

Question # 7

Which of the following is a typical transition metal

Question # 8

Which of the following is a carbonate are?

Question # 9

Choose the correct answer of transition elements?

Question # 10

Cu2+with d9electronic configuration appears

Question # 11

Transition elements form which type of bond

Question # 12

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Misch mental is

Question # 17

Stainless steel contains ion and carbon along with

Question # 18

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

Question # 19

4-d series is in the period:

Question # 20

Interstitial compounds have

Question # 21

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

Question # 22

Rusting can be avoided by :

Question # 23

Which one of the following metal ions is colourless?

Question # 24

d-block elements are also called :

Question # 25

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

Question # 26

The colour of transition metal complexes is due to:

Question # 27

Which of the following is a transition element

Question # 28

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

Question # 29

Which of the following elements does not show variable oxidation states?

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic
2 An oxidixing agent
A. K2Cr2O7
B. H2SO4
C. FeSO4
D. K2SO4
3 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
4 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
5 Group VIB of transition elements contains
A. Zn, Cd, Hg
B. Fe, Ru, Os
C. Cr, Mo, W
D. Mn, Te, Re
6 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
7 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
8 IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are
A. Non typical transition element
B. Typical transition element
C. Normal elements
D. Inner transition element
9 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 rion
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
10 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

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