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

Red P can be obtained form white P by

Question # 2

Which property is not present in Al?

Question # 3

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 4

Dipole moment of CO molecule is:

Question # 5

Which of the following compounds is explosive in nature?

Question # 6

Sodium hexametaphophate is known as

Question # 7

The most acidic of the following compounds is

Question # 8

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

Question # 9

Hybridized in oxygen is:

Question # 10

Which salt is used for preserving food

Question # 11

Which element among the following belongs to Group IV-A of the periodic table?

Question # 12

Chief ore of aluminium is:

Question # 13

Which of the following is not the reactions of lithium

Question # 14

Corrundam is ore of:

Question # 15

Phosphorus pentoxide finds use as

Question # 16

S-block elements consist of

Question # 17

Boric acid cannot be used:

Question # 18

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 19

The chemical formula of gypsum is

Question # 20

Which of the following element is most reactive

Question # 21

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

Question # 22

Which of the following is a tetrabasic acid?

Question # 23

Pb has inert pair of electrons:

Question # 24

Which shows maximum catenation property?

Question # 25

Which of the following elements is not present abundantly in earth's crust?

Question # 26

Sodium forms largely

Question # 27

The chemical formula of Epson salt is

Question # 28

Which has soapy touch?

Question # 29

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

Question # 30

Which one of the following pentafluorides cannot be formed?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
2 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
3 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
4 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
5 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
6 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
7 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
8 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these
9 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
10 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2

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