how can we distinguish between methanal annd ethanal
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Methanol and ethanol are alcohols, but methanol have only one carbon atom while ethanol have two for each molecule. Different toxicities are already answered ...
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It can be distinguished by observing the different behaviour of the compounds iodine solution and sodium hydroxide solution with the help of an activity.During carrying out the test one must store methanol and ethanol in separate plastic dropping pipette.Ethanol reacts to form a yellow solid,tri-ido methane also called iodoform and the dark colour of the iodine fades away.It has a distinct antiseptic small.The methanol test tube remains clear.
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