More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Chemistry Chapter 14 Group IIIA & IVA Elements Online Test MCQs With Answers
Question # 1
Electron affinity of sulphur is
Choose an answer
More than O and Se
More than O but less than Se
Less than O but more than Se
Equal to O and Se
Previous
Skip
Next
Question # 2
Which of the following equations represents the action of heat on NaHCO
3
Choose an answer
Previous
Skip
Next
Question # 3
Which of the following is the hardest metal among following
Choose an answer
Li
Na
Rb
K
Previous
Skip
Next
Question # 4
Which element among the following belongs to Group IV-A of the periodic table?
Choose an answer
Barium
Iodine
Lead
Oxygen
Previous
Skip
Next
Question # 5
Which of the following form normal oxide
Choose an answer
K
Li
Na
None
Previous
Skip
Next
Question # 6
The structure of white phosphorus is
Choose an answer
Square planar
Pyramidal
Tetrahedral
Trigonal planer
Previous
Skip
Next
Question # 7
Which metal of Group-II A of the periodic Table, will form the least ionic chloride
Choose an answer
Be
Mg
Ca
Sr
Previous
Skip
Next
Question # 8
Bond angle is minimum for
Choose an answer
H
2
O
H
2
S
H
2
Se
H
2
Te
Previous
Skip
Next
Question # 9
Ozone is not
Choose an answer
An allotrope
A powerful oxidizing agent
Paramagnetic
A bent molecule
Previous
Skip
Next
Question # 10
Which of the following is not the reactions of lithium
Choose an answer
Previous
Skip
Next
Question # 11
Sulphuric acid reacts with PCl
5
to give
Choose an answer
Thionyl chloride
Sulphur monochloride
Sulphuryl chloride
Sulphur tetrachloride
Previous
Skip
Next
Question # 12
Plaster of pares is obtained by heating
Choose an answer
Gypsum
Epsom
Lime stone
Dolomite
Previous
Skip
Next
Question # 13
The most acidic of the following compounds is
Choose an answer
P
2
O
3
Sb
2
O
3
B
2
O
3
As
2
O
3
Previous
Skip
Next
Question # 14
Identify the incorrect statement with respect to ozone
Choose an answer
Ozone is formed in the upper atmosphere by a photochemical reaction involving dioxygen
Ozone is more reactive than diaoxygen
Ozone is diamagnetic whereas dioxygen is paramagnetic
Ozone protects the earth's inhabitants by absorbing gamma-radiations
Previous
Skip
Next
Question # 15
Phosphorus pentoxide finds use as
Choose an answer
An oxidizing agent
A reducing agent
A bleaching agent
A dehydrating agent
Previous
Skip
Next
Question # 16
Which salt is used for the treatment of hyperacidity in stomach
Choose an answer
NaCl
KCl
NaHCO
3
Na
2
CO
3
Previous
Skip
Next
Question # 17
Which property is not present in Al?
Choose an answer
Reacts with acid
Reacts with bases
Changes litmus paper
Changes methyle orange colour
Previous
Skip
Next
Question # 18
Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
Choose an answer
Na
2
CO
3
NaHCO3
NaOH
NaOCl
Previous
Skip
Next
Question # 19
Which of the following elements is most metallic?
Choose an answer
P
As
Sb
Bi
Previous
Skip
Next
Question # 20
Which is not the form of silica?
Choose an answer
Amethyst quatz
Rose quatz
Smoky
None of these
Previous
Skip
Next
Question # 21
Which of the following phosphorus is most reactive?
Choose an answer
Red phosphorus
White phosphorus
Scrlet phosphorus
Violet phosphorous
Previous
Skip
Next
Question # 22
Lime, calcium oxide, is used in agriculture for
Choose an answer
Adding ca metal in soil
Making soil acidic
Neutralizing acidic soil
Adding oxygen to soil
Previous
Skip
Next
Question # 23
What is chrome yellow?
Choose an answer
Pbo
Pb
2
O
PbCrO
4
Pb
3
O
4
Previous
Skip
Next
Question # 24
Which of all following compound is not possible
Choose an answer
Previous
Skip
Next
Question # 25
Which colour is imparted by sodium
Choose an answer
Yellow
Violet
Red
Crimson
Previous
Skip
Next
Question # 26
Which oxide of nitrogen is obtained on heating ammonium nitrate at 250
° C?
Choose an answer
Nitric oxide
Nitrous oxide
Nitrogen dioxide
Dinitrogen tetraoxide
Previous
Skip
Next
Question # 27
Sodium is never found free in nature because of its
Choose an answer
Chemical reactivity
Small ionic size
Small atomic volume
None of these
Previous
Skip
Next
Question # 28
Which of the following salt is used as purgative
Choose an answer
CaSO
4
MgSO
4
BeSO
4
NaCl
Previous
Skip
Next
Question # 29
Which element forms an iron with charge
3+
?
Choose an answer
Berylium
Aluminium
Carbon
Silicon
Previous
Skip
Next
Question # 30
Which of the following is acidic?
Choose an answer
SO
3
N
2
O
BeO
HgO
Previous
Skip
Next
Back