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

Steel may be manufacture by two processes which two are correct

Question # 2

Stainless steel contains Cr upto

Question # 3

Which of the following is a carbonate are?

Question # 4

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

Question # 5

Bronze is an alloy of Cu and

Question # 6

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 7

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

Question # 8

Which of the following metal exhibits more than one oxidation?

Question # 9

An oxidixing agent

Question # 10

The total number of inner transition elements in the periodic table is

Question # 11

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 12

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

Question # 13

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

Question # 14

Coordination sphere may be:

Question # 15

Which is in differnet phase form other metals

Question # 16

4-d series is in the period:

Question # 17

Most transition elements show

Question # 18

The less reactivity of transition metal is due to

Question # 19

Misch mental is

Question # 20

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 # 21

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

Question # 22

Transition metals form complexes due to the participation of partially filled

Question # 23

Group VI-B of transition elements contains:

Question # 24

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

Question # 25

[Zn(NH3)4]3+possess geometry

Question # 26

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

Question # 27

Which element does not belong to 4d series

Question # 28

Rusting can be avoided by :

Question # 29

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

Question # 30

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

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Sr.# Question Answer
1 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
2 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
3 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
4 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
5 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
6 Transition elements form which type of bond
A. Ionic bonds only
B. Covalent bonds only
C. Ionic and covalent bonds
D. Polar bonds
7 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
8 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
9 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
10 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
11 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
12 Group VIB of transition elements contains
A. Zn, Cd, Hg
B. Fe, Ru, Os
C. Cr, Mo, W
D. Mn, Te, Re
13 Misch mental is
A. An alloy of Aluminium
B. A mixture of chromium and lead chromate
C. An alloy of lanthanoid metals
D. An alloy of copper
14 The colour of the transition metal compounds is due to
A. p-d transition
B. d-d transition
C. s-p transition
D. None of these
15 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
16 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
17 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te
18 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
19 Transition metals form complexes due to the participation of partially filled
A. f-orbitals
B. d-orbitals
C. s-orbitals
D. p-orbitals
20 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%
21 Most common oxidation states shownby cerium are
A. +2, +4
B. +3, +4
C. +3, +5
D. +2, +3
22 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%
23 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
24 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
25 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above
26 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co
27 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
28 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
29 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
30 Which of the following is not an element?
A. Graphite
B. Diamond
C. 22-Carat gold
D. Rhombic sulphur

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