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

______ reacts with alkalis to give hydrogen

Question # 2

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

Question # 3

Aluminium oxide is:

Question # 4

HNO2acts as an/a

Question # 5

Which is not the form of silica?

Question # 6

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 # 7

The alkaline earth elements have in their s-orbital

Question # 8

Pb has inert pair of electrons:

Question # 9

The ore CaSO42H2O has the general name

Question # 10

The formula of lime stone is

Question # 11

All the elements of oxygen family are

Question # 12

Which of the following sulphates has the highest solubility in water

Question # 13

What is chrome yellow?

Question # 14

Chief ore of aluminium is:

Question # 15

Commercial common salt becomes slight damp on storing because

Question # 16

Borax is hydrated:

Question # 17

Which will have the maximum value of heat of hydration

Question # 18

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

Question # 19

Sodium forms largely

Question # 20

Which one of the following pentafluorides cannot be formed?

Question # 21

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

Question # 22

White phosphorus is

Question # 23

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

Question # 24

Identify the incorrect statement with respect to ozone

Question # 25

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

Question # 26

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 27

Alkaline earth metals are usually

Question # 28

Polyanion formation is maximum in

Question # 29

Sodium hexametaphophate is known as

Question # 30

Which of the following form normal oxide

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
2 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
3 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
4 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
5 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
6 Which one of the following pentafluorides cannot be formed?
A. PF5
B. AsF5
C. SbF5
D. BiF5
7 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
8 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
9 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
10 Which of all following compound is not possible

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