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P Block Elements
Quiz 2
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Q.1
In diamond, each carbon atom has connected to how many carbon atoms?
4
3
6
8
Q.2
Which element is metalloid in groupelement
B
Gn
Al
Ti
Q.3
Compounds of boron with hydrogen are known as
Boranes
Borazines
Borazoles
None
Q.4
What did Haber synthesis is for ?
Synthesizing Chlorine gas
Synthesizing Mustard gas
Synthesizing Ammonia
Synthesizing Sulphuric acid
Q.5
How many valence electrons does groupelements have?
18
16
10
6
Q.6
The inert pair effect increase when
Across the period
Going down the group
Don"t no the answer
Q.7
Si2O7 is
Pyrosilicate
Sheet silicate
Chain silicate
Orthodox silicate
Q.8
Stable oxides of carbon are
CO, CO2
CO, C3O2
C2O,C3O2
C2O
Q.9
Which of the following is a interstitial carbide
WC
SiC
Al4C3
Be2C
Q.10
Al4C3 on hydrolysis give
CH4
C2H6
C2H4
C2H2
Q.11
Buckminster fullerene is
C 60
C90
Pure diamond
Graphite
Q.12
What is the nature of carbide of silicon
Covalent
Ionic
Metallic
Van der waals
Q.13
CO+N2 is
Producer gas
Water gas
Syn gas
Coal gas
Q.14
Sindoor is
PbNO3
Pb3O4
PbOH2
PbCO3
Q.15
Quartz is a crystalline variety of
Silicon carbide
Silica
Sodium silicate
Silicon
Q.16
Which of the following is not amphoteric
CO2
GeO2
SnO2
PbO2
Q.17
As we move down the group basicity of groupelements
Increases
Decreases
Remain constant
None of the above
Q.18
As we move down the group thermal stability of groupelements hydrides
Increases
Decreases
Remain constant
None of the above
Q.19
As we move down the group reducing character of groupelements
Increases
Decreases
Remain constant
None of the above
Q.20
In groupelements as we move down the group electronegativity
Decreases
Increases
Remain constant
None of the above
0 h : 0 m : 1 s
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