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

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

Question # 2

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

Question # 3

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

Question # 4

Corrosion may be prevented by

Question # 5

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

Question # 6

Which of the following is not related to transition metals

Question # 7

Potassium chromate has formula

Question # 8

The elements in which d or f-orbitals are incomplete are called

Question # 9

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

Question # 10

Corrosion of iron can be prevented by coating the surface with

Question # 11

Choose the correct answer of transition elements?

Question # 12

Group VI-B of transition elements contains:

Question # 13

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 14

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

Question # 15

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

Question # 16

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 17

Which period starts from 11Sc to 30Zn ?

Question # 18

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

Question # 19

Maximum variable oxidation state is of:

Question # 20

Transition elements are called so because:

Question # 21

Which of the following is not correct about transition metals?

Question # 22

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 23

Stainless steel contains Cr upto

Question # 24

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

Question # 25

Property of transition element is :

Question # 26

Which of the following is a carbonate are?

Question # 27

Interstitial compounds have

Question # 28

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

Question # 29

d-block elements are also called :

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 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
2 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
3 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
4 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
5 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
6 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
7 Content of carbon in steel is:
A. 0.12 to 0.25%
B. 0.25% to 2.5%
C. 3.0 to 3.5%
D. 4.0 to 4.5%
8 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above
9 Cuprous ore among the following is
A. Chalcopyites
B. Azurite
C. Cuprite
D. Malachitre
10 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium

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