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 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 # 3

f-block elements are called :

Question # 4

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 5

Which is non typical transition element :

Question # 6

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

Question # 7

The total number of d-bock transition element is

Question # 8

Group VI-B of transition elements contains:

Question # 9

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

Question # 10

The oxidation number of Ni in [Ni(CO)4] is

Question # 11

Which of the following acts as ligand

Question # 12

Transition elements form which type of bond

Question # 13

Which is used to identify Cu2+ions

Question # 14

AgCl is soluble is

Question # 15

In the manufacture of iron from haematitie,limestone is added to act as

Question # 16

The colour of transition metal complexes is due to

Question # 17

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 18

[Zn(NH3)4]3+possess geometry

Question # 19

In the extraction of iron, slag is produced which is

Question # 20

The colour of transition metal complexes is due to:

Question # 21

Which is in differnet phase form other metals

Question # 22

Rusting of iron is catalysed by

Question # 23

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

Question # 24

The geometry of [Co(NH3)6]3+is

Question # 25

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

Question # 26

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

Question # 27

Choose the correct answer of transition elements?

Question # 28

What are alloys

Question # 29

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

Question # 30

Most transition elements show

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
2 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
3 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
4 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
5 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
6 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]
7 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
8 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
9 Oxalic acid oxidizes to:
A. CO
B. CO2
C. Oxalates
D. None of these
10 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent

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