Question

Define electron gain enthalpy ​

Answer 1

The energy required by the atom to add a new electron

Answer 2

ᴀɴsᴡᴇʀ :-

☞ ᴇʟᴇᴄᴛʀᴏɴ ɢᴀɪɴ ᴇɴᴛʜᴀʟᴘʏ ɪs ᴅᴇғɪɴᴇᴅ ᴀs ᴛʜᴇ ᴀᴍᴏᴜɴᴛ ᴏғ ᴇɴᴇʀɢʏ ʀᴇʟᴇᴀsᴇᴅ ᴡʜᴇɴ ᴀɴ ᴇʟᴇᴄᴛʀᴏɴ ɪs ᴀᴅᴅᴇᴅ ᴛᴏ ᴀɴ ɪsᴏʟᴀᴛᴇᴅ ɢᴀsᴇᴏᴜs ᴀᴛᴏᴍ. ᴅᴜʀɪɴɢ ᴛʜᴇ ᴀᴅᴅɪᴛɪᴏɴ ᴏғ ᴀɴ ᴇʟᴇᴄᴛʀᴏɴ, ᴇɴᴇʀɢʏ ᴄᴀɴ ᴇɪᴛʜᴇʀ ʙᴇ ʀᴇʟᴇᴀsᴇᴅ ᴏʀ ᴀʙsᴏʀʙᴇᴅ.

ᴍᴏʀᴇ ɪɴғᴏ.

ᴇxᴄᴇᴘᴛɪᴏɴ ɪɴ ᴇʟᴇᴄᴛʀᴏɴ ɢᴀɪɴ ᴇɴᴛʜᴀʟᴘʏ:-

☞ ɪɴ ᴛʜᴇ ᴄᴀsᴇ ᴏғ ᴄʜʟᴏʀɪɴᴇ ᴀɴᴅ ғʟᴜᴏʀɪɴᴇ, ᴄʜʟᴏʀɪɴᴇ ʜᴀs ᴀ ʜɪɢʜᴇʀ ɴᴇɢᴀᴛɪᴠᴇ ᴇʟᴇᴄᴛʀᴏɴ ɢᴀɪɴ ᴇɴᴛʜᴀʟᴘʏ ᴠᴀʟᴜᴇ.

☞ɪɴ ʙᴇᴛᴡᴇᴇɴ sᴜʟᴘʜᴜʀ ᴀɴᴅ ᴏxʏɢᴇɴ, sᴜʟᴘʜᴜʀ ʜᴀs ᴀ ʜɪɢʜᴇʀ ɴᴇɢᴀᴛɪᴠᴇ ᴠᴀʟᴜᴇ ᴛʜᴀɴ ᴏxʏɢᴇɴ.