Chemistryhard · Past Paper
Which of the following is a redox reaction?
ANaOH + HCl -> NaCl + H2O
BAgNO3 + NaCl -> AgCl + NaNO3
CH2 + Cl2 -> 2HCl
DBaCl2 + H2SO4 -> BaSO4 + 2HCl
✓ Correct Answer: C — H2 + Cl2 -> 2HCl
Oxidation states of H and Cl change from 0 to +1 and -1 respectively.
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