Which of these represents a redox reaction?

Greatleesi1

5 years ago

Correct answer "D". Coz oxidation is the addition of electronegativity element that is, chlorine has been added to zinc and reduction removal of electronegativity element chlorine has been removed from hydrogen chloride liberating hydrogen gas.

Sumaya15

4 years ago

d is a displacement reaction while b is a redox reaction bcos h2s is a reducing agent but d reflects that zinc displaces hydrogen bcos of its position in electrochemical series