What is redox reaction? write down a chemical reaction representing it
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A redox reaction can be defined as a chemical reaction in which electrons are transferred between two reactants participating in it. This transfer of electrons can be identified by observing the changes in the oxidation states of the reacting species.
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ᴅᴇғɪɴɪᴛɪᴏɴ:-
☞ᴛʜᴇ ᴀᴅᴅɪᴛɪᴏɴ ᴏғ ᴏxʏɢᴇɴ ᴛᴏ sᴜʙsᴛᴀɴᴄᴇ ᴀɴᴅ ᴛʜᴇ ʀᴇᴍᴏᴠᴀʟ ᴏғ ʜʏᴅʀᴏɢᴇɴ ғʀᴏᴍ ᴀ sᴜʙsᴛᴀɴᴄᴇ ɪs ᴄᴀʟʟᴇᴅ ᴏxɪᴅᴀᴛɪᴏɴ ʀᴇᴀᴄᴛɪᴏɴ. ᴛʜᴇ ᴀᴅᴅɪᴛɪᴏɴ ᴏғ ʜʏᴅʀᴏɢᴇɴ ᴛᴏ ᴀ sᴜʙsᴛᴀɴᴄᴇ ᴏʀ ᴛʜᴇ ʀᴇᴍᴏᴠᴀʟ ᴏғ ᴏxʏɢᴇɴ ғʀᴏᴍ ᴀ sᴜʙsᴛᴀɴᴄᴇ ɪs ᴄᴀʟʟᴇᴅ ʀᴇᴅᴜᴄᴛɪᴏɴ ʀᴇᴀᴄᴛɪᴏɴ. sᴏ, ᴡʜᴇɴ ᴏxɪᴅᴀᴛɪᴏɴ ᴀɴᴅ ʀᴇᴅᴜᴄᴛɪᴏɴ ᴛᴀᴋᴇ ᴘʟᴀᴄᴇ ᴛᴏɢᴇᴛʜᴇʀ ɪᴛ ɪs ᴄᴀʟʟᴇᴅ ʀᴇᴅᴏx ʀᴇᴀᴄᴛɪᴏɴ.
ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴ:-
☞ᴛʜᴇ ʜʏᴅʀᴏɢᴇɴ ɪs ᴏxɪᴅɪᴢᴇᴅ ᴀɴᴅ ʟᴏsᴇs ᴛᴡᴏ ᴇʟᴇᴄᴛʀᴏɴs, sᴏ ᴇᴀᴄʜ ʜʏᴅʀᴏɢᴇɴ ʙᴇᴄᴏᴍᴇs ᴘᴏsɪᴛɪᴠᴇ.
=ʜ2+2ғ→2ʜғ
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