Question

What does the reaction ${H_2}S + {H_2}{O_2} \to S + 2{H_2}O$ manifest?

Answer 1

An oxidation-reduction (redox) reaction is a form of chemical reaction in which two species exchange electrons. Each chemical reaction in which the oxidation number of a molecule, atom, or ion varies by receiving or losing an electron is known as an oxidation-reduction reaction.
They are distinguished by the real or structured movement of electrons between chemical species, with one species usually undergoing oxidation while the other undergoes reduction.

Complete answer:
In a redox chemical reaction, a reducing agent is an atom or compound that loses an electron to an electron receiver. If a reducing agent loses electrons in a redox reaction, it is oxidised. Oxidizing agents are "reduced" by reducing agents. Reducers are "oxidised" by oxidizers.
An oxidising agent, also known as an oxidising agent, is a drug that has the capacity to oxidise other molecules by accepting their electrons. Oxygen, hydrogen peroxide, and halogens are common oxidising agents.
So, here in this equation
${H_2}S + {H_2}{O_2} \to S + 2{H_2}O$
${H_2}S$ is a reducing agent and ${H_2}{O_2}$is an oxidising agent.
${H_2}S$ gets converted to S whereas ${H_2}{O_2}$ gets converted to ${H_2}O$
The chemical compound hydrogen sulphide has the formula ${H_2}S$. It's a colourless chalcogen hydride gas that smells like rotten eggs. It's flammable, toxic, and corrosive.
The chemical compound hydrogen peroxide has the formula ${H_2}{O_2}$. It's a very pale blue liquid that's much more viscous than water in its purest nature. It's a bleaching agent, an oxidizer, and an antiseptic.

Note:
An oxidation-reduction (redox) reaction is a form of chemical reaction in which two species exchange electrons. Each chemical reaction in which the oxidation number of a molecule, atom, or ion varies by receiving or losing an electron is known as an oxidation-reduction reaction.