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

00:00
Question # 1

P2O5is heated with water to give

Question # 2

The structure of white phosphorus is

Question # 3

Alkaline earth metals are usually

Question # 4

Borax is hydrated:

Question # 5

Which of the following sulphates is not soluble in water

Question # 6

Which element forms an iron with charge 3+?

Question # 7

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

Question # 8

The electrolytic cell used for the production of metallic sodium is known as

Question # 9

Lime, calcium oxide, is used in agriculture for

Question # 10

Which of the following form normal oxide

Question # 11

CaC2on hydrolysis form

Question # 12

Which of the following is the hardest metal among following

Question # 13

Tincal is a mineral of:

Question # 14

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 15

Al is the most element in earth crust:

Question # 16

Which is not the form of silica?

Question # 17

Chief ore of aluminium is:

Question # 18

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 # 19

Which of the following is a tetrabasic acid?

Question # 20

The acid which has a peroxy linkage is

Question # 21

Basicity of orthoposphoric acid is

Question # 22

When SO2is passed through acidified K2Cr2O7solution

Question # 23

The alkaline earth elements have in their s-orbital

Question # 24

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

Question # 25

Electron affinity of sulphur is

Question # 26

White phosphorus is

Question # 27

The chemical formula of gypsum is

Question # 28

Which of the following oxides is peroxide?

Question # 29

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

Question # 30

Dipole moment of CO molecule is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
2 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
3 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
4 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
5 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
6 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
7 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
8 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
9 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
10 The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
A. Hypophosphorus acid
B. Orthophosphorus acid
C. Pyrophosphorus acid
D. Metaphosphorus acid

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