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

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 2

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

Question # 3

Which of the following is non-typical transition element?

Question # 4

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

Question # 5

6-d series is in the period :

Question # 6

Which of the following is a typical transition metal?

Question # 7

The total number of rare earth elements is

Question # 8

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

Question # 9

Which has the largest radius?

Question # 10

5-d series is in the period :

Question # 11

CuSO4. 5H2O is used to prepare

Question # 12

Potassium chromate has formula

Question # 13

E.D.T.A is

Question # 14

Which of the following acts as ligand

Question # 15

Stainless steel contains Cr upto

Question # 16

Which of the following is not an element?

Question # 17

Which element does not belong to 4d series

Question # 18

German silver does not contain

Question # 19

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

Question # 20

Sodium thisoulophate is used in photography because of its

Question # 21

Which is non typical transition element :

Question # 22

Bronze is an alloy of Cu and

Question # 23

The less reactivity of transition metal is due to

Question # 24

The total number of transition elements is:

Question # 25

3-d series elements are present in:

Question # 26

Interstitial compounds have

Question # 27

Stainless steel contains ion and carbon along with

Question # 28

Choose the correct answer of transition elements?

Question # 29

Maximum variable oxidation state is of:

Question # 30

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

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Sr.# Question Answer
1 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
2 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
3 A transition element is defined as an element of 3d series
A. Which is metal
B. Which has one stable ion
C. Which has two stable ions
D. Which has at least one stable ion with incomplete d-orbital
4 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
5 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
6 The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is
A. M
B. M/2
C. M/3
D. M/5
7 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
8 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
9 Corrosion of iron can be prevented by coating the surface with
A. Zn
B. Sn
C. Ni
D. Any of the above
10 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
11 Which has the largest radius?
A. CO3+
B. Mn3+
C. Fe3+
D. Cr3+
12 The number of unpaired electrons in Mn2+is
A. 5
B. 4
C. 3
D. 2
13 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
14 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
15 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
16 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
17 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
18 The free spaces between the metal atoms and its crystal lattice are called
A. Valance spaces
B. Empty spaces
C. Interstices
D. None
19 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
20 Which of the following metals is sometimes found in native state in nature?
A. Al
B. Cu
C. Fe
D. Mg
21 Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because
A. It less reactive than copper
B. A layer of sulphates is deposited on it
C. An inert layer of iron oxide is deposited on it
D. All valence electrons of iron are consumed
22 Which is not a bidentate ligand
A.
B. Choice 2
C. Choice 3
D. Choice 4
23 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
24 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5
25 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
26 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
27 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
28 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
29 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
30 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3

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