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

The oxide of beryllium is

Question # 2

Which colour is imparted by sodium

Question # 3

White phosphorus is

Question # 4

Alkaline earth metals posses two electrons in their outermost

Question # 5

Bond angle is minimum for

Question # 6

Orthophosphoric acid is

Question # 7

Density of aluminium is (g cm-3):

Question # 8

Which is litharge or massicot?

Question # 9

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 # 10

Oleum is

Question # 11

Lithium reacts with air to form

Question # 12

What is chrome yellow?

Question # 13

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

Question # 14

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 15

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 16

Which of the following oxides is peroxide?

Question # 17

Which of the following salt is used as purgative

Question # 18

Which has soapy touch?

Question # 19

Which on of the following compounds does not exist?

Question # 20

The maximum number of electrons in the outermost shall of s-black elements is

Question # 21

S-block elements consist of

Question # 22

Solvay process is used in the manufacture of

Question # 23

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

Question # 24

As a fixing agent in photography, sodium thisoulphate is used for

Question # 25

Sulphuric acid reacts with PCl5to give

Question # 26

Which of the following phosphorus is most reactive?

Question # 27

Sodium is never found free in nature because of its

Question # 28

Which property is not present in Al?

Question # 29

Silicon atom is hybridized:

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
2 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
3 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
4 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
5 Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because
A. Sulphur is present in the mixture as impurity
B. IV group radicals are precipitated as sulphides
C. Of the oxidation of H2S gas by some acid radicals
D. III group radicals are precipitated as hydroxides
6 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
7 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
8 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
9 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
10 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5

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