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 of the following elements does not show variable oxidation states?

Question # 2

Transition elements form which type of bond

Question # 3

Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound

Question # 4

Which is used to identify Cu2+ions

Question # 5

3-d series elements are present in:

Question # 6

What is wrong about transition metals?

Question # 7

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

Question # 8

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

Question # 9

Which of the following is a transition element

Question # 10

Oxalic acid oxidizes to:

Question # 11

6-d series is in the period :

Question # 12

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

Question # 13

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

Question # 14

Bronze is an alloy of Cu and

Question # 15

Potassium ferrocyanide is a

Question # 16

Which of the following has the maximum number of unpaired d-electrons?

Question # 17

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

Question # 18

Which of the following is a carbonate are?

Question # 19

Bronze is an alloy which contains

Question # 20

Corrosion of iron can be prevented by coating the surface with

Question # 21

Which is the correct electronic configuration of Cr - 24

Question # 22

Elements in which f-orbitals are in the process of completion are called

Question # 23

Corrosion may be prevented by

Question # 24

Which of the following is a non-typical transition elements

Question # 25

Property of transition element is :

Question # 26

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

Question # 27

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 28

German silver does not contain

Question # 29

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 30

The total number of rare earth elements is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Stainless steel contains ion and carbon along with
A. Ni and Cr
B. Cr and Co
C. Co and Mn
D. Mn and Ni
2 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
3 Mercury is the only metal which is liquid at 0°C. this is due to its
A. Very high ionization energy and weak metallic bond
B. Low ionization potential
C. High atomic weight
D. High vapour pressure
4 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
5 Which of the following is used as disinfectant
A. K2Cr2O7
B. KMnO4
C. K2MnO4
D. K2CrO4
6 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
7 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
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 AgCl is soluble is
A. Aqua regia
B. H2SO4
C. HCl
D. NH3
10 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn

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