The brown fumes given off when trioxonitrate (V) acid is ...
The brown fumes given off when trioxonitrate (V) acid is heated consist of ?
NO2 and O2
H2O and NO2
NO2' O2 and H2O
NO, NO2 and H2O
Correct answer is A
decomposition of the acid by heat to produce reddish-brown gas (nitrogen (iv)) which then dissolve in the acid to impart the yellow colour.
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A hydrocarbon containing 88.9% carbon has the empirical formula [H = 1 C = 12] ...
If the value of ΔH is positive for a reaction, it means that the reaction is? ...
What volume of 0.5 mol dm-3 H2SO4 will exactly neutralize 20cm3 of 0.1 mol dm-3 NaOH solution?...