Question

What do you understand by isomerism? Illustrate with an example.​

Answer 1

Answer:

Isomers are molecules that have the same molecular formula, but have a different arrangement of the atoms in space. That excludes any different arrangements which are simply due to the molecule rotating as a whole, or rotating about particular bonds.

For example, both of the following are the same molecule.

Answer 2

Answer:

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$AɴsᴡᴇR$

Isᴏᴍᴇʀs ᴀʀᴇ ᴍᴏʟᴇᴄᴜʟᴇs ᴛʜᴀᴛ ʜᴀᴠᴇ ᴛʜᴇ sᴀᴍᴇ ᴍᴏʟᴇᴄᴜʟᴀʀ ғᴏʀᴍᴜʟᴀ, ʙᴜᴛ ʜᴀᴠᴇ ᴀ ᴅɪғғᴇʀᴇɴᴛ ᴀʀʀᴀɴɢᴇᴍᴇɴᴛ ᴏғ ᴛʜᴇ ᴀᴛᴏᴍs ɪɴ sᴘᴀᴄᴇ. Tʜᴀᴛ ᴇxᴄʟᴜᴅᴇs ᴀɴʏ ᴅɪғғᴇʀᴇɴᴛ ᴀʀʀᴀɴɢᴇᴍᴇɴᴛs ᴡʜɪᴄʜᴀʀᴇ sɪᴍᴘʟʏ ᴅᴜᴇ ᴛᴏ ᴛʜᴇ ᴍᴏʟᴇᴄᴜʟᴇ ʀᴏᴛᴀᴛɪɴɢ ᴀs ᴀ ᴡʜᴏʟᴇ, ᴏʀ ʀᴏᴛᴀᴛɪɴɢ ᴀʙᴏᴜᴛ ᴘᴀʀᴛɪᴄᴜʟᴀʀ ʙᴏɴᴅs. Fᴏʀᴇxᴀᴍᴘʟᴇ, ʙᴏᴛʜ ᴏғ ᴛʜᴇ ғᴏʟʟᴏᴡɪɴɢᴀʀᴇ ᴛʜᴇ sᴀᴍᴇ ᴍᴏʟᴇᴄᴜʟᴇ.

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