s-Block ElementsMedium
Question
Which of the following salts on heating gives a mixture of two gases ?
Options
A.Ba(NO3)2
B.NaNO3
C.KNO3
D.RbNO3
Solution
Ba(NO3)2 
BaO + 2NO2 + 
O2 ; Alkali metal nitrates gives only O2 gas.
Alkali metal nitrates give only O2 on heating below 500ºC according to following reaction,
MNO3 → MNO2 +
O2
BaO + 2NO2 + O2 ; Alkali metal nitrates gives only O2 gas.Alkali metal nitrates give only O2 on heating below 500ºC according to following reaction,
MNO3 → MNO2 +
O2 Create a free account to view solution
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