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

Alkaline earth metals posses two electrons in their outermost

Question # 2

Which of the following salt is used as purgative

Question # 3

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

Question # 4

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 # 5

All the elements of oxygen family are

Question # 6

Which of the following are electropositive in nature

Question # 7

Which of the following equations represents the action of heat on NaHCO3

Question # 8

Marble is chemically

Question # 9

Sodium forms largely

Question # 10

Which of the following is acidic?

Question # 11

Which is litharge or massicot?

Question # 12

The chemical formula of gypsum is

Question # 13

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 14

Phosphorus pentoxide finds use as

Question # 15

HNO2acts as an/a

Question # 16

Borax is hydrated:

Question # 17

The ore CaSO42H2O has the general name

Question # 18

When SO2is passed through acidified K2Cr2O7solution

Question # 19

Which property is not present in Al?

Question # 20

Which of the following is lighter

Question # 21

Sodium is never found free in nature because of its

Question # 22

Which of the following compounds is explosive in nature?

Question # 23

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 24

Bond angle is minimum for

Question # 25

Which one of the following elements occurs free in nature?

Question # 26

Phosphine is not obtained by the reaction when

Question # 27

Chief ore of aluminium is:

Question # 28

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 29

CaC2on hydrolysis form

Question # 30

Which shows maximum catenation property?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
2 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
3 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
4 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
5 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
6 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
7 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
8 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
9 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
10 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O

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