Fractional distillation is suitable for separation of miscible liquids


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Fractional distillation is suitable for separation of miscible liquids with a boiling point difference of about 25 k or less. What part of fractional distillation apparatus makes it efficient and possess an advantage over a simple distillation process. Explain using a diagram

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ꜰʀᴀᴄᴛɪᴏɴᴀᴛɪɴɢ ᴄᴏʟᴜᴍɴ ɪꜱ ᴛʜᴇ ᴍᴏꜱᴛ ɪᴍᴘᴏʀᴛᴀɴᴛ ᴘᴀʀᴛ ᴏꜰ ᴛʜᴇ ꜰʀᴀᴄᴛɪᴏɴᴀʟ ᴅɪꜱᴛɪʟʟᴀᴛɪᴏɴ ᴀᴘᴘᴀʀᴀᴛᴜꜱ. ᴛʜɪꜱ ᴄᴏʟᴜᴍɴ ɪꜱ ᴘʀᴏᴠɪᴅᴇᴅ ᴡɪᴛʜ ꜱᴏᴍᴇ ɢʟᴀꜱꜱ ʙᴇᴀᴅꜱ ɪɴ ɪᴛ. ɪᴛ ʜᴇʟᴘꜱ ᴛᴏ ᴏʙꜱᴛʀᴜᴄᴛ ᴛʜᴇ ᴜᴘᴡᴀʀᴅ ᴍᴏᴠᴇᴍᴇɴᴛ ᴏꜰ ᴛʜᴇ ᴠᴀᴘᴏᴜʀꜱ ᴏꜰ ᴛʜᴇ ᴛᴡᴏ ʟɪQᴜɪᴅꜱ. ᴛʜᴇ ᴠᴀᴘᴏᴜʀꜱ ꜰᴏ ʜɪɢʜ ʙᴏɪʟɪɴɢ ʟɪQᴜɪᴅ ɢᴇᴛꜱ ᴄᴏɴᴅᴇɴꜱᴇᴅ ᴇᴀʀʟɪᴇʀ (ᴀᴛ ʟᴏᴡᴇʀ ʟᴇᴠᴇʟ). ᴛʜᴇ ᴇɴᴇʀɢʏ (ʟᴀᴛᴇɴᴛ ʜᴇᴀᴛ) ʀᴇʟᴇᴀꜱᴇᴅ ʜᴇʟᴘꜱ ᴛᴏ ᴛᴀᴋᴇ ᴛʜᴇ ᴠᴀᴘᴏᴜʀꜱ ᴏꜰ ʟᴏᴡ ʙᴏʟɪɴɢ

ʟɪQᴜɪᴅ ᴛᴏ ᴀ ʜᴇɪɢʜᴛ ɪɴ ᴛʜᴇ ꜰʀᴀᴄᴛɪᴏɴᴀᴛɪɴɢ ᴄᴏʟᴜᴍɴ.

☆ ᴛʜᴇ ᴀᴅᴠᴀɴᴛᴀɢᴇꜱ ᴀʀᴇ ᴀꜱ ɢɪᴠᴇɴ ʙᴇʟᴏᴡ ...

(ɪ) ᴛʜɪꜱ ᴍᴇᴛʜᴏᴅ ᴄᴀɴ ꜱᴇᴘᴀʀᴀᴛᴇ ᴛʜᴇ ʟɪQᴜɪᴅꜱ ᴡɪᴛʜ ᴀ ʙᴏɪʟɪɴɢ ᴘᴏɪɴᴛ ᴅɪꜰꜰᴇʀᴇɴᴄᴇ ᴀʙᴏᴜᴛ ᴏʀ ʟᴇꜱꜱ ᴛʜᴀɴ 25 ᴋ.

(ɪɪ) ᴅᴜʀɪɴɢ ᴛʜᴇ ᴘʀᴏᴄᴇꜱꜱ, ʙᴏᴛʜ ᴇᴠᴀᴘᴏʀᴀᴛɪᴏɴ ᴀɴᴅ ᴄᴏɴᴅᴇɴꜱᴀᴛɪᴏɴ ᴛᴀᴋᴇ ᴘʟᴀᴄᴇ ꜱɪᴍᴜʟᴛᴀɴᴇᴏᴜꜱʟʏ.

(ɪɪɪ) ᴀ ᴍɪxᴛᴜʀᴇ (ʟɪᴋᴇ ᴘᴇᴛʀᴏʟᴇᴜᴍ) ᴄᴀɴ ᴀʟꜱᴏ ʙᴇ ꜱᴇᴘᴀʀᴀᴛᴇᴅ ʙʏ ꜰʀᴀᴄᴛɪᴏɴᴀʟ ᴅɪꜱᴛɪʟʟᴀᴛɪᴏɴ ᴘʀᴏᴄᴇꜱꜱ ᴡʜɪᴄʜ ᴄᴏɴᴛᴀɪɴꜱ ꜱᴇᴠᴇʀᴀʟ ᴄᴏᴍᴘᴏɴᴇɴᴛꜱ.


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