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

00:00
Question # 1

Which property is not present in Al?

Question # 2

Basicity of orthoposphoric acid is

Question # 3

Which one of the following pentafluorides cannot be formed?

Question # 4

Which of the following elements is most metallic?

Question # 5

Sodium forms largely

Question # 6

As a fixing agent in photography, sodium thisoulphate is used for

Question # 7

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 8

Pb has inert pair of electrons:

Question # 9

Which of all following compound is not possible

Question # 10

What is going to replace the petroleum?

Question # 11

Alkali metals react violently with halogens to form

Question # 12

Which element forms an iron with charge 3+?

Question # 13

The number of electron that are paired in oxygen molecule are

Question # 14

The chemical formula of chile salt peter is

Question # 15

Which of the following is formed by the action of water on sodium peroxide?

Question # 16

Sodium should be stored in

Question # 17

Where lime is not used

Question # 18

Which of the following salt is used as purgative

Question # 19

Electron affinity of sulphur is

Question # 20

Sulphuric acid reacts with PCl5to give

Question # 21

Silicon atom is hybridized:

Question # 22

Which shows maximum catenation property?

Question # 23

The acid used in lead storage cells is

Question # 24

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 25

What is chrome yellow?

Question # 26

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

Question # 27

Which has soapy touch?

Question # 28

Which carbonate of alkali metals is insoluble in water

Question # 29

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 30

Which is an essential constituent of chlorophyll

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
2 Sodium is never found free in nature because of its
A. Chemical reactivity
B. Small ionic size
C. Small atomic volume
D. None of these
3 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
4 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
5 Identify the incorrect statement with respect to ozone
A. Ozone is formed in the upper atmosphere by a photochemical reaction involving dioxygen
B. Ozone is more reactive than diaoxygen
C. Ozone is diamagnetic whereas dioxygen is paramagnetic
D. Ozone protects the earth's inhabitants by absorbing gamma-radiations
6 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
7 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
8 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
9 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
10 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule

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