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 is acidic?

Question # 2

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

Question # 3

Phosphorus pentoxide finds use as

Question # 4

Copper oxide is dedected by borax bead test with colour:

Question # 5

The element caesium bears resemblance with

Question # 6

Which is litharge or massicot?

Question # 7

Marble is chemically

Question # 8

Which of the following element is most reactive

Question # 9

Which of the following is not the reactions of lithium

Question # 10

Polyanion formation is maximum in

Question # 11

Down's cell is used to prepare

Question # 12

A compound used as eye wash:

Question # 13

Which salt is used for preserving food

Question # 14

Crystalline form of sulphur stable at room temperature is

Question # 15

Which is used to remove air bubbles form metals?

Question # 16

In the earth crust sodium is

Question # 17

Which element forms an iron with charge 3+?

Question # 18

Phosphine is not obtained by the reaction when

Question # 19

Sodium is never found free in nature because of its

Question # 20

Which salt is used for the treatment of hyperacidity in stomach

Question # 21

Which of the following has highest dipole moment?

Question # 22

Electron affinity of sulphur is

Question # 23

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

Question # 24

Basicity of orthoposphoric acid is

Question # 25

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

Question # 26

Phosphide ion has the electronic structure similar to that of

Question # 27

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

Question # 28

Identify the incorrect statement with respect to ozone

Question # 29

Permonosulphuric acid is known as

Question # 30

Silicon atom is hybridized:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
2 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
3 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
4 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
5 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
6 Baking powder has which one of the following formula
A. Na2CO3
B. Na2SO4
C. NaHCO3
D. K2CO3
7 Which of all following compound is not possible
8 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
9 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
10 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron

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