ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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Question # 1

Which of the following phosphorus is most reactive?

Question # 2

Which one of the following elements occurs free in nature?

Question # 3

Which of the following is acidic?

Question # 4

Chief ore of aluminium is:

Question # 5

Dipole moment of CO molecule is:

Question # 6

The acid used in lead storage cells is

Question # 7

Ozone is not

Question # 8

Baking powder has which one of the following formula

Question # 9

Which of the following sulphates is not soluble in water

Question # 10

All the elements of oxygen family are

Question # 11

The electrolytic cell used for the production of metallic sodium is known as

Question # 12

Sodium forms largely

Question # 13

Copper oxide is dedected by borax bead test with colour:

Question # 14

Phosphorus pentoxide finds use as

Question # 15

Alkali metals react violently with halogens to form

Question # 16

Which of all following compound is not possible

Question # 17

The chemical formula of magnesite is

Question # 18

Phosphide ion has the electronic structure similar to that of

Question # 19

What is chrome yellow?

Question # 20

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 21

Which is used to remove air bubbles form metals?

Question # 22

All the following decompose easily on heating to give oxygen except

Question # 23

Which carbonate of alkali metals is insoluble in water

Question # 24

The chemical formula of chile salt peter is

Question # 25

Bond angle is minimum for

Question # 26

The chemical formula of Epson salt is

Question # 27

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 28

Which of the following sulphates has the highest solubility in water

Question # 29

Al is the most element in earth crust:

Question # 30

Pb has inert pair of electrons:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
2 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
3 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
4 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
5 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
6 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
7 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
8 Which of the following phosphorus is most reactive?
A. Red phosphorus
B. White phosphorus
C. Scrlet phosphorus
D. Violet phosphorous
9 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
10 Orthophosphoric acid is
A. Monobasic
B. Dibasic
C. Tribasic
D. Tetrabasic

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