Dab tsi yog ester lub luag haujlwm rau qhov tsw thiab tsw ntawm txiv tsawb?
Dab tsi yog ester lub luag haujlwm rau qhov tsw thiab tsw ntawm txiv tsawb?

Video: Dab tsi yog ester lub luag haujlwm rau qhov tsw thiab tsw ntawm txiv tsawb?

Video: Dab tsi yog ester lub luag haujlwm rau qhov tsw thiab tsw ntawm txiv tsawb?
Video: New Laj Tsawb Hlub Tsis Muaj Tso Yuav Nciam Ntawm Koj Mus 2024, Kaum ib hlis
Anonim

Thaum koj muab pentanol nrog acetic acid, koj tau txais pentyl acetate, ib ester tias tsw tsw zoo li a txiv tsawb.

Ib yam li ntawd, ester lub luag haujlwm yog dab tsi rau qhov tsw thiab tsw ntawm cov txiv hmab txiv ntoo hauv qab no?

Esters xws li ethyl butanoate muab cov tsw thiab tsw ntawm ntau txiv hmab txiv ntoo , xws li aspineapples.

Ib yam li ntawd, dab tsi ester tsw zoo li txiv apples? Ethyl Esters hauv Kua Ethyl-2-methyl butyrate yog ib txwm tshwm sim ester pom hauv kua txiv , txiv kab ntxwv, strawberry, cheeses, mis nyuj, txiv nkhaus taw, cognac, thiab lwm yam. Thaum kuv tsw tsw Ethyl 2-methylbutyrate, Kuv xav txog Appletini. Txawm hais tias cov tshuaj isomersshave tib lub mis, lawv tsis tas tsw tsw ortaste zoo ib yam.

Kuj paub yog, dab tsi ester tsw zoo li txiv tsawb?

Isoamyl acetate, tseem hu ua isopentyl acetate, yog anorganic compound uas yog ester tsim los ntawm isoamylalcohol thiab acetic acid. Isoamyl acetate muaj cov ntxhiab tsw zoo uas tau piav qhia zoo ib yam li ob qho tib si txiv tsawb andpear.

Dab tsi yog txoj hauv kev kom hnov qhov ester?

Cov tsw tsw feem ntau npog los yog distorted los ntawm tsw tsw ntawm carboxylic acid. Ib qho yooj yim txoj kev ofdetecting cov tsw tsw ntawm ester yog muab cov dej sib tov rau hauv ib lub khob me me. Sib nrug los ntawm cov me me, esters yog insoluble nyob rau hauv dej thiab zoo li ua ib txheej nyias ntawm qhov chaw.

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