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31536833
NITROGEN
Description
Oxides and oxoacids
No tags specified
aluminium
inorganic
chemistry
chemistry
a levels
Mind Map by
Azaa Ellise
, updated more than 1 year ago
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Azaa Ellise
over 3 years ago
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Azaa Ellise
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Resource summary
NITROGEN
Oxides
N2O
நடுநிலையானது
NO SPECIAL: colour; smell; taste
Non toxic
Insoluble (water)
Produced in lab by: Heating NH4NO3
NH4NO3 –Δ--►N2O + H2O
NO
நடுநிலையானது
Toxic
NO SPECIAL: colour;smell; taste
Insoluble (water)
Produced in lab by:
Cu + 50%.8HNO3 ----►3Cu(NO3)2 + 2NO + 4H2O
NO2
Brown coloured
Toxic
நீரில் கரைந்து இருவழிவிகாரம்
3NO2 + H2O ----► 2HNO3 + NO
கார கரைசலில் இருவழிவிகாரம்
2NaOH + 2NO2 ----► NaNO3 + NaNO2 + H2O
Reduces Acidic KMnO4-
MnO4- + 5NO2 + H2O ----► Mn2+ + 5NO3 + 2H+
Produced in lab by:
Cu + 4HNO3 ----►Cu(NO3)2 + 2NO+ 2H2O
N2O3
Weak acid oxide
Produced in lab by:
NO + NO2 --cooling--► N2O3
N2O4
Weak acid oxide
Produced in lab by:
2NO2 --cooling--► N2O4
N2O5
Strong acid oxide
N2O5 + H2O ----► 2HNO3
Oxoacids
HNO3
Strong acid
Colourless in it's pure form
நீர் கரைசலில் முற்றாக கூட்டற்பிரிகை
H2O + HNO3 ----►H3O+ + NO3-
ஒளி முன்னிலையில் / வெப்பமாக்கும் போது கூட்டற்பிரிகை
4HNO3 ----►4NO2 + 2H2O + O2
As oxidiser
Very strong oxidising agent
So HNO3 doesn't act as a நீரகற்ரும் கருவி
Oxidises metals and Non-Metals to their highest oxidation state
Mg + conc.4HNO3 ----►Mg(NO3)2 + 2NO2 + 2H2O
C + 4HNO3 ----►CO2 + 4NO2 + 2H2O
Is never ever a reducing agent
As acid
Strong acid
HNO3 + NaOH ----►NaNO3 + 2H2O
As base
HNO3 + H2SO4 ----►NO2+ + 2H2O + HSO2-
Only with H2SO4
HNO2
Weak acid
Not strong when aqueous
Because இருவழிவிகாரமடைகூடியது
3HNO2 ----►HNO3 + 2NO+ H2O
Strong in low temperature
Produced in lab by:
NaNO2 + HCl ----►NaCl + HNO2
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