Koj puas yuav paub qhov txawv ntawm formaldehyde thiab acetaldehyde?

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Koj puas yuav paub qhov txawv ntawm formaldehyde thiab acetaldehyde?
Koj puas yuav paub qhov txawv ntawm formaldehyde thiab acetaldehyde?
Anonim

Formaldehyde thiab acetaldehyde tuaj yeem sib txawv los ntawm iodoform test. - Methyl ketones hnov mob nrog iodine thiab poov tshuaj hydroxide kom daj precipitate. - Acetaldehyde reacts nrog iodine thiab KOH muab sodium ntsev ntawm carboxylic acid. - Formaldehyde tsis muab iodoform kuaj.

Qhov reagent siv los paub qhov txawv ntawm formaldehyde thiab acetaldehyde?

Teb tiav: Ntawm kev kho formaldehyde thiab acetaldehyde nrog iodine nyob rau hauv lub hauv paus, acetaldehyde muab cov xim daj daj thaum formaldehyde tsis hnov qab nrog nws. Qhov no yog hu ua iodoform cov tshuaj tiv thaiv thiab qhov kev sim hu ua iodoform test.

Qhov txawv ntawm formaldehyde thiab aldehyde yog dab tsi?

Ob leeg aldehyde thiab formaldehyde yog organic compounds. Formaldehyde muaj ib tug carbon atom, ob Hydrogen atoms thiab ib tug Oxygen atom. Ib pawg ua haujlwm, aldehyde muaj lub chaw carbonyl khi rau hydrogen atom nrog R pawg. … Formalin, uas yog siv nyob rau hauv embalming, yog ib lub npe uas paub zoo nrog Formaldehyde.

Koj yuav paub qhov txawv ntawm acetaldehyde li cas?

Aldehydes xws li acetaldehyde muab xim av xim av precipitate thaum ketones tsis. Tollen's reagent test: Cov reagent no yog siv rau hauv kev txheeb xyuas ntawm Aldehyde functional group los yog functional alpha hydroxy Ketone pawg nyob rau hauv ib qho khoom muab. Silver nitrate thiabammonia yog lub npe hu ua Tollens reagents.

Koj tuaj yeem paub qhov txawv ntawm acetaldehyde thiab acetone li cas?

Acetone yog tus tswv cuab tsawg tshaj plaws ntawm pawg ketone, qhov acetaldehyde yog tus tswv cuab tsawg tshaj plaws ntawm pawg aldehyde. Qhov sib txawv tseem ceeb ntawm Acetaldehyde thiab Acetone yog tus naj npawb ntawm cov atoms hauv cov qauv; acetone muaj peb Carbon atoms, tab sis acetaldehyde tsuas muaj ob carbon atoms.

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