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

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 # 2

Which element has highest oxidation potential

Question # 3

The chemical formula of chile salt peter is

Question # 4

The chemical formula of Trona is

Question # 5

Which of the following form normal oxide

Question # 6

The alkaline earth elements have in their s-orbital

Question # 7

The oxidation number of each element of group l-A is

Question # 8

Which of the following salt is used as purgative

Question # 9

Baking powder has which one of the following formula

Question # 10

What is chrome yellow?

Question # 11

Ozone is not

Question # 12

The formula of lime stone is

Question # 13

Solvay process is used in the manufacture of

Question # 14

Which on of the following compounds does not exist?

Question # 15

Which is an essential constituent of chlorophyll

Question # 16

Which of the element is not an alkaline earth metal

Question # 17

Al is the most element in earth crust:

Question # 18

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

Question # 19

Which of the following is not the reactions of lithium

Question # 20

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

Question # 21

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 22

Phosphine is not obtained by the reaction when

Question # 23

Gypsum is a common mineral of

Question # 24

Sodium is never found free in nature because of its

Question # 25

Sodium hexametaphophate is known as

Question # 26

Which element forms an iron with charge 3+?

Question # 27

Each of the following is true of white and red phosphours except that they

Question # 28

Which one of the following does not belong to alkaline earth metals

Question # 29

Which of the following has highest dipole moment?

Question # 30

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
2 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
3 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
4 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
5 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
6 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
7 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these
8 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
9 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
10 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium

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