Question

Describe what will you observe and write fully balanced equations when the following are introduced in a jar of oxygen.
(a) Red Hot coal (carbon)
(b) Burning sulphur
(c) Burning sodium
(d) Burning magnesium
(e) Burning phosphorus​

Answer 1

Explanation:

(a) When red-hot coal (carbon) is introduced into a jar of oxygen, it bums brightly producing sparkles and a crackling sound. It forms a colorless gas known as carbon dioxide. C + O2 → CO2 Carbon dioxide

(b) When burning sulphur is taken into the jar of oxygen, it bums with a brilliant blue flame forming sulphur dioxide

(c) When burning sodium is taken into the jar of oxygen, it bums with a brilliant golden yellow flame to form sodium oxide.

(d) When burning magnesium is taken into the cylinder of oxygen, it bums with a dazzling white flame to form magnesium oxide.

(e) When burning phosphorus is taken into a jar of oxygen, it bums with dazzling white flame producing dense white fumes of phosphorous pentoxide.

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