Question

When so2 is passed through acidified solution of h2s?

Answer 1

When SO2 gas is passed through saturated solution of H2S, the following reaction occurs SO2 + 2H2S → 2 H2O + 3S In this reaction, which substance is oxidized and which one is reduced.

Answer 2

Concept:

During a reaction, oxidation occurs when a molecule, atom, or ion loses electrons.

When the oxidation state of a molecule, atom, or ion is enhanced, it is called oxidation. When an atom, molecule, or ion gains electrons or the oxidation status of an atom, molecule, or ion drops, the process is termed reduction.

Find:

The product of the reaction.

Solution:

When $SO_2$ is passed through an acidified solution of $H_2S$, sulphur is precipitated.

$2H_2S+SO_2 \rightarrow 3S+2H_2O$

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