What is the correct IUPAC name for NO2−?
A. Dioxonitrate (IV) ion B. Trioxonitrate (III) ion C. Trioxonitrate (IV) ion D. Dioxonitrate (III) ion Correct Answer: Option D – Dioxonitrate (III) ion
When sulphur (IV) oxide is passed into a solution of sodium hydroxide for a long time; it eventually produces a solution of?
A. NaHSO4 B. Na2SO3 C. NaHSO3 D. Na2SO4 Correct Answer: Option B – Na2SO3
A concentrated solution containing H+; Cu²+; OH- and Cl- was electrolyzed using platinum electrodes. The ion that will be discharged at the cathode is
A. Cu²+ B. Cl- C. H+ D. OH- Correct Answer: Option A – Cu²+
In which of the following reactions can the oxidation number of the nitrogen be said to have increased?
A. 2NO(g) + O2(g) → 2NO2(g) B. NO(g) + Cl2(g) → NOCl2(l) C. FeSO4(aq) + NO(g) → Fe(NO)SO4(s) D. NO(g) + Br2(l) → NOBr2(l) Correct Answer: Option A – 2NO(g) + O2(g) → 2NO2(g)Products
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