oxide, peroxide and superoxide Flashcards
1
Q
Na2O preparation
A
Na + O2 –> Na2O
Na2O2 + Na –> Na2O
NaNO3 + Na –> Na2O + N2
NaNO2 + Na –> Na2O + N2
NaN3 + NaNO2 –> Na2O + N2
2
Q
Na2O + H2O –>
A
NaOH
3
Q
_____ is used as dehydrating and polarising agent in organic chemistry
A
Na2O
4
Q
Na2O2
A
sodium peroxide
oxone
5
Q
Na2O2 preparation industrial
A
Na + O2 –> Na2O
Na2O + O2 –> Na2O2
6
Q
impure Na2O2 color
A
pale yellow solid
becomes white in air from formation of film of NaOH and Na2CO3
7
Q
Na2O2 + H2O –>
A
cold water
NaOH + H2O2
hot water
NaOH + O2
8
Q
Na2O2 + H2SO4 –>
A
cold
Na2SO4 + H2O2
hot
Na2SO4 + H2O + O2
