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 compounds is explosive in nature?

Question # 2

Plaster of pares is obtained by heating

Question # 3

Which element form group 15 gives most basic compound with hydrogen?

Question # 4

Which property is not present in Al?

Question # 5

Which of the following has highest dipole moment?

Question # 6

Hybridized in carbon is:

Question # 7

Basicity of orthoposphoric acid is

Question # 8

Calcium carbide reacts with water to produce

Question # 9

Phosphide ion has the electronic structure similar to that of

Question # 10

Which one of the following properties is not correct for ozone?

Question # 11

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 12

Phosphorus pentoxide finds use as

Question # 13

Which of the following fluorides does not exists?

Question # 14

Electron affinity of sulphur is

Question # 15

Which is litharge or massicot?

Question # 16

Which colour is imparted by sodium

Question # 17

Which of the following oxides is peroxide?

Question # 18

Sulphuric acid has great affinity for water because

Question # 19

Chief ore of aluminium is:

Question # 20

Chile saltpetre has the chemical formula

Question # 21

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

Question # 22

Which carbonate of alkali metals is insoluble in water

Question # 23

A compound used as eye wash:

Question # 24

BiCl3on hydrolysis forms a white precipitate of

Question # 25

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

Question # 26

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 27

The silver bromide in hypo (Na2S2O3) solution is

Question # 28

Which is used in navigational equipments?

Question # 29

Which one of the following is not an alkali metal

Question # 30

S-block elements consist of

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
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 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
5 Which of the following phosphorus is most reactive?
A. Red phosphorus
B. White phosphorus
C. Scrlet phosphorus
D. Violet phosphorous
6 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
7 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
8 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
9 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
10 Which of the following equations represents the action of heat on NaHCO3

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