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 metals is sometimes found in native state in nature?

Question # 2

Among the lanthandes the one obtained by synthetic method is

Question # 3

The iron obtained from blast furnace is

Question # 4

In physical and chemical properties, transition elements show

Question # 5

Which of the following is used as disinfectant

Question # 6

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 7

Which of the following compounds gives red precipitate with AgNO3?

Question # 8

6-d series is in the period :

Question # 9

Solubility of KMnO4 at higher temperature is:

Question # 10

Bell metal is an alloy of Sn and

Question # 11

The total number of d-bock transition element is

Question # 12

Out of 110 known elements, transition elements are

Question # 13

What are alloys

Question # 14

The total number of transition elements is:

Question # 15

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 16

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

Question # 17

[Zn(NH3)4]3+possess geometry

Question # 18

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

Question # 19

Bronze is an alloy of Cu and

Question # 20

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

Question # 21

Electronic configuration of Cu+2is

Question # 22

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

Question # 23

Maximum variable oxidation state is of:

Question # 24

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

Question # 25

CuSO4. 5H2O is used to prepare

Question # 26

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

Question # 27

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 28

Rusting of iron is catalysed by

Question # 29

Which one of the following metal ions is colourless?

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 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
2 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
3 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
4 Which is not a bidentate ligand
A.
5 d-block elements are also called :
A. alkali metal
B. Alkaline earth metals
C. Transition elements
D. Electron deficient elements
6 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
7 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
8 Which of the following element is responsible for oxidation of water to O2in biological process?
A. Fe
B. Mn
C. Cu
D. Mo
9 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
10 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2

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