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7.Element of Groups 16 17and 18 Online Test Created by-Shingare Sakshi 12th Science Student Janvikas Mahavidhylay Bansarola
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The order of the reaction for which the units of rate constant are mol dm-3 S-1
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2 points
1
3
0
4
Three important characteristics of chemical reaction; extent of reaction, feasibility and it's rate.
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0 points
True
False
Which of the following has highest electron gain enthalpy?
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2 points
Fluorine
Chlorine
Bromine
Iodine
Which of the following element does not shows oxidation stat of +4?
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2 points
O
Se
Te
S
HI acid when heated with conce H2So4 forms.
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2 points
HIO3
KIO3
I2
KI
Ozone layers is depleted by-
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2 points
NO
NO2
NO3
N2O5
In pyrosulfurous acid oxidation stat of sulfar is............
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2 points
Only +2
Only+4
+2 and +6
Only+6
Beck reacts with water to form
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2 points
HBr
Br + Cl2
HoBr
HoBr+Hcl
Chlorine reacts with express of fluorine to form......
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2 points
CIF
CIF3
CIF2
Cl2F3
In Interhalogen compounds which the following halogen is never the central atom.
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2 points
I
Cl
Br
F
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