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What is reduced in the reaction Mn + HCl → MnCl2 + H2 ? 1. chlorine in HCl 2. This is not a redox reaction. 3. manganese 4. hydrogen in HCl

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Answer:

Opion 4. The hydrogen in HCl reduce from proton to hydrogen gas (H at ground state)

Explanation:

The reaction is: Mn + HCl → MnCl₂ + H₂

Magnessium changed the oxidation state from 0 to +2

It has increased, so it was oxidized

H changed the oxidation state from +1 to 0

It has decreased, so it was reducted.

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