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

Dipole moment of CO molecule is:

Question # 2

Aluminium oxide is:

Question # 3

Ozone is not

Question # 4

Which is an essential constituent of chlorophyll

Question # 5

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 6

Which is used in navigational equipments?

Question # 7

Which of the following is not the reactions of lithium

Question # 8

The most acidic of the following compounds is

Question # 9

Which metal is used in the thermit process because of its activity?

Question # 10

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 11

Which colour is imparted by sodium

Question # 12

The element which has a simple cubic lattice in solid state is

Question # 13

Sodium hexametaphophate is known as

Question # 14

Which of the following phosphorus is most reactive?

Question # 15

Which is not the form of silica?

Question # 16

Which property is not present in Al?

Question # 17

Red P can be obtained form white P by

Question # 18

Polyanion formation is maximum in

Question # 19

Bond angle is minimum for

Question # 20

Which of the following has highest dipole moment?

Question # 21

The acid used in lead storage cells is

Question # 22

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

Question # 23

The chemical formula of Trona is

Question # 24

Hybridized in oxygen is:

Question # 25

Phosphine is not obtained by the reaction when

Question # 26

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

Question # 27

White phosphorus is

Question # 28

White P when boiled with strong solution of caustic soda produces

Question # 29

Hybridized in carbon is:

Question # 30

Which one of the following elements occurs free in nature?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
2 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
3 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
4 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
5 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
6 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
7 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
8 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
9 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
10 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2

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