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

When SO2is passed through acidified K2Cr2O7solution

Question # 2

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

Question # 3

Which of the following has highest dipole moment?

Question # 4

The chemical formula of Epson salt is

Question # 5

Crystalline form of sulphur stable at room temperature is

Question # 6

In the earth crust sodium is

Question # 7

Which salt is used for the treatment of hyperacidity in stomach

Question # 8

Identify the incorrect statement with respect to ozone

Question # 9

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

Question # 10

Dipole moment of CO molecule is:

Question # 11

HNO2acts as an/a

Question # 12

Which of the following sulphates is not soluble in water

Question # 13

Which is used to remove air bubbles form metals?

Question # 14

Corrundam is ore of:

Question # 15

Polyanion formation is maximum in

Question # 16

What causes nitrogen to be chemically inert?

Question # 17

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

Question # 18

Calcium carbide reacts with water to produce

Question # 19

The ore CaSO42H2O has the general name

Question # 20

Hybridized in carbon is:

Question # 21

The oxide of beryllium is

Question # 22

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 23

Which of the following are electropositive in nature

Question # 24

Which of the following is acidic?

Question # 25

Boric acid cannot be used:

Question # 26

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

Question # 27

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 28

Which of the following salt is used as purgative

Question # 29

Gypsum is a common mineral of

Question # 30

Which element forms an iron with charge 3+?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
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 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
4 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
5 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
6 Borax is hydrated:
A. Penta
B. Deca
C. Hepta
D. Octa
7 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
8 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
9 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
10 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these

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