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 colour of transition metal complexes is due to

Question # 2

The colour of transition metal complexes is due to

Question # 3

The amount of Ni in stainless steel is

Question # 4

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 5

Which element does not belong to 4d series

Question # 6

Which is used to identify Cu2+ions

Question # 7

Interstitial compounds have

Question # 8

The total number of transition elements is:

Question # 9

Which of the following metal exhibits more than one oxidation?

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 15

The formula of curprite is

Question # 16

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 17

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

Question # 18

6-d series is in the period :

Question # 19

Corrosion may be prevented by

Question # 20

The total number of transition elements is

Question # 21

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

Question # 22

Among the lanthandes the one obtained by synthetic method is

Question # 23

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

Question # 24

What are alloys

Question # 25

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

Question # 26

Which is in differnet phase form other metals

Question # 27

The colour of the transition metal compounds is due to

Question # 28

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

Question # 29

Which element has 4 unpaired electrons in 3d-orbital

Question # 30

The less reactivity of transition metal is due to

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
2 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
3 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
A. [Pt(NH3)4(NO2)] SO4
B. [Pt NO2CI(NH3)4] SO4
C. [Pt CI(NO2) (NH3)4] SO4
D. [Pt (NH3)4(NO2) CI] SO4
4 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
5 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
6 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
7 Which of the following is a not typical transition element
A. Cr
B. Mn
C. Zn
D. Fe
8 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
9 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
10 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

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