Question

why picric acid is more acidic than carboxylic acid​

Answer 1

Answer:

ʜᴏᴡᴇᴠᴇʀ ᴡʜᴇɴ ɴɪᴛʀᴏ ɢʀᴏᴜᴘs ᴀʀᴇ sᴜʙsᴛɪᴛᴜᴛᴇᴅ ɪᴛ ᴡɪᴛʜᴅʀᴀᴡs ᴇʟᴇᴄᴛʀᴏɴ ᴅᴇɴsɪᴛʏ ᴏғ ʙᴇɴᴢᴇɴᴇ ʀɪɴɢ ᴅᴜᴇ ᴛᴏ -ɪ ( ɴᴇɢᴀᴛɪᴠᴇ ɪɴᴅᴜᴄᴛɪᴏɴ) ᴇғғᴇᴄᴛ ʜᴇɴᴄᴇ ʀᴇʟᴇᴀsᴇ ᴏғ ʜ+ ɪɴᴛᴏ ᴡᴀᴛᴇʀ ʙᴇᴄᴏᴍᴇs ᴇᴀsʏ ᴀs ʜʏᴅʀᴏɢᴇɴ ɪs ʜᴇʟᴅ ʙʏ ʟᴇss ᴇʟᴇᴄᴛʀᴏɴ ᴅᴇɴsɪᴛʏ . ʜᴇɴᴄᴇ ᴘɪᴄʀɪᴄ ᴀᴄɪᴅ ɪs ᴍᴏʀᴇ ᴀᴄɪᴅɪᴄ.

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Answer 2

$\huge\underline\bold\blue{Answer}$

However when nitro groups are substituted it withdraws electron density of Benzene ring due to -I ( Negative Induction) effect hence release of H+ into water becomes easy as hydrogen is held by less electron density . Hence picric acid is more acidic.

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