Question

Ritik was asked by the teacher to seprate a liquid mixture of acetone and ethyl alcohol. He set up a distillation apparatus and tried to distil the mixture. To his surprise, both the liquid got distilled. teacher told Ritik to repeat the experiment by using a fractionating column in the distillation flask. Ritik followed the advice of the teacher and was able to separate the two liquid's. (1) why was ritik not successful in separating the liquid mixture earlier. (2) Why did teacher‍‍ ask him to use the fractional column. (3) which liquid was distilled first. ​

Answer 1

Answer:

ᴀɴsᴡᴇʀ:

1.sᴜʟᴘʜᴜʀ ɪs ɴᴏᴛ ᴏғ ᴠᴏʟᴀᴛɪʟᴇ ɴᴀᴛᴜʀᴇ. ᴜᴘᴏɴ ʜᴇᴀᴛɪɴɢ, ɪᴛ ᴍᴇʟᴛs. ᴛʜᴇʀᴇғᴏʀᴇ, sᴜʙʟɪᴍᴀᴛɪᴏɴ ᴘʀᴏᴄᴇss ᴄᴏᴜʟᴅ ɴᴏᴛ sᴜᴄᴄᴇᴇᴅ.

2.ᴛʜᴇ sᴛᴜᴅᴇɴᴛ sʜᴏᴜʟᴅ ʜᴀᴠᴇ ᴅɪssᴏʟᴠᴇᴅ ᴛʜᴇ ɪᴍᴘᴜʀᴇ sᴀᴍᴘʟᴇ ɪɴ ᴄᴀʀʙᴏɴ ᴅɪsᴜʟᴘʜɪᴅᴇ. ɪᴛ ɪs ᴀ ʟɪǫᴜɪᴅ ɪɴ ᴡʜɪᴄʜ sᴜʟᴘʜᴜʀ ᴄᴏᴍᴘʟᴇᴛᴇʟʏ ᴅɪssᴏʟᴠᴇs ᴡʜɪʟᴇ ɪʀᴏɴ ᴅᴏᴇs ɴᴏᴛ. ғʀᴏᴍ ᴛʜᴇ sᴏʟᴜᴛɪᴏɴ, sᴜʟᴘʜᴜʀ ᴄᴀɴ ʙᴇ ʀᴇᴄᴏᴠᴇʀᴇᴅ ᴡɪᴛʜ ᴛʜᴇ ʜᴇʟᴘ ᴏғ ᴄʀʏsᴛᴀʟʟɪᴢᴀᴛɪᴏɴ ᴘʀᴏᴄᴇss.

3.ᴛʜᴇ ᴘʀᴏᴄᴇss ᴏғ sᴜʙʟɪᴍᴀᴛɪᴏɴ ɪs ᴜsᴇғᴜʟ ᴏɴʟʏ ɪғ ᴏɴᴇ ᴏғ ᴛʜᴇ ᴄᴏɴsᴛɪᴛᴜᴇɴᴛs ᴘʀᴇsᴇɴᴛ ɪɴ ᴛʜᴇ ᴍɪxᴛᴜʀᴇ ᴄᴀɴ sᴜʙʟɪᴍᴇ ᴡʜɪʟᴇ ᴛʜᴇ ᴏᴛʜᴇʀs ᴅᴏ ɴᴏᴛ ᴜɴᴅᴇʀɢᴏ sᴜʙʟɪᴍᴀᴛɪᴏɴ.