JAMB - Chemistry (1999 - No. 31)
A pair of compounds that can be used to generate a gas which has physiological effect on human beings is
sodium trioxonitrate (V) and calcium chloride
sodium dioxonitrate (III) and ammonium chloride
sodium trioxonitrate (V) and ammonium chloride
sodium dioxonitrate (III) and potassium chloride
Explanation
The reaction between NaNO\(_3\) and NH\(_4\)Cl gives NaCl and NH\(_4\)NO\(_3\).
Upon heating, NH\(_4\)NO\(_3\) yields 2 moles of H\(_2\)O and N\(_2\)O.
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