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

Potassium chromate has formula

Question # 3

E.D.T.A is

Question # 4

Bell metal is an alloy of Sn and

Question # 5

The iron obtained from blast furnace is

Question # 6

What is wrong about transition metals?

Question # 7

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

Question # 8

High purity copper metal is obtained by

Question # 9

Transition metals form complexes due to the participation of partially filled

Question # 10

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 11

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

Question # 12

The number of unpaired electrons in Mn2+is

Question # 13

Which of the following is a not typical transition element

Question # 14

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

Question # 15

The total number of d-bock transition element is

Question # 16

The colour of transition metal complexes is due to

Question # 17

Transition elements form which type of bond

Question # 18

Which metal is used for catalytic hydrogenation of oils

Question # 19

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

Question # 20

Potassium ferrocyanide is a

Question # 21

Bronze is an alloy which contains

Question # 22

Series starting from57La,42Hf -80Hg is in the period:

Question # 23

Bessemer converter is used in the manufacture of

Question # 24

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

Question # 25

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 26

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 27

The total number of transition elements is

Question # 28

Corrosion of iron can be prevented by coating the surface with

Question # 29

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

Question # 30

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

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Sr.# Question Answer
1 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
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 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
4 Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?
A. [Pt(NH3)4(NO2)]SO4
B. [PtNO2Cl(NH3)4]SO4
C. [PtCl(NO2)(NH3)4]SO4
D. [Pt(NH3)4(NO2)Cl]SO4
5 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
6 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
7 Group VIB of transition elements contains
A. Zn, Cd, Hg
B. Fe, Ru, Os
C. Cr, Mo, W
D. Mn, Te, Re
8 Which is non typical transition element :
A. Ni
B. Co
C. Y
D. Fe
9 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
10 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
11 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn
12 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
13 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
14 Steel may be manufacture by two processes which two are correct
A. Open hearth process and besemer process
B. Open hearth process and Haber process
C. Bassemer process and Haber process
D. Contact process and Haber process
15 Elements in which f-orbitals are in the process of completion are called
A. Outer transition element
B. Inner transition elements
C. Non-tranistion elements
D. Radioactive elements
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 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
18 The number of unpaired electrons in Fe3+(Z = 26) are
A. 5
B. 6
C. 3
D. 4
19 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
20 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
21 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
22 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
23 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
24 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
25 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
26 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
27 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2
28 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
29 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn
30 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

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