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

Which of the following element is most reactive

Question # 2

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 3

What is chrome yellow?

Question # 4

Plaster of pares is obtained by heating

Question # 5

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

Question # 6

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

Question # 7

The silver bromide in hypo (Na2S2O3) solution is

Question # 8

Solvay process is used in the manufacture of

Question # 9

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

Question # 10

______ is used in breathing equipments for mountaineers and in space craft

Question # 11

Phosphide ion has the electronic structure similar to that of

Question # 12

Which on of the following compounds does not exist?

Question # 13

The acid used in lead storage cells is

Question # 14

Which of the following salt is used as purgative

Question # 15

Red P can be obtained form white P by

Question # 16

Which one of the following pentafluorides cannot be formed?

Question # 17

Commercial common salt becomes slight damp on storing because

Question # 18

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

Question # 19

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

Question # 20

Pb has inert pair of electrons:

Question # 21

Corrundam is ore of:

Question # 22

Boric acid cannot be used:

Question # 23

The formula of lime stone is

Question # 24

Bond angle is minimum for

Question # 25

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 26

Tincal is a mineral of:

Question # 27

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 28

Phosphorus pentoxide finds use as

Question # 29

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

Question # 30

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?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
2 The number of electron that are paired in oxygen molecule are
A. 16
B. 12
C. 14
D. 7
3 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
4 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
5 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
6 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
7 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
8 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
9 Which of the following phosphorus is most reactive?
A. Red phosphorus
B. White phosphorus
C. Scrlet phosphorus
D. Violet phosphorous
10 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide

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