Chemistryeasy · Past Paper
Which of the following is an irreversible reaction under normal conditions?
A$H_2 + I_2 \rightleftharpoons 2HI$
B$N_2 + 3H_2 \rightleftharpoons 2NH_3$
CBurning of magnesium ribbon
DMelting of wax
✓ Correct Answer: C — Burning of magnesium ribbon
Burning of magnesium ribbon forms MgO and cannot be reversed by simple physical or chemical means under normal conditions.
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