Puas yog acetic acid yog qhov sib xyaw?
Puas yog acetic acid yog qhov sib xyaw?

Video: Puas yog acetic acid yog qhov sib xyaw?

Video: Puas yog acetic acid yog qhov sib xyaw?
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Anonim

Acetic acid /?ˈsiːt?k/, systematicallynamed ethanoic kua qaub /ˌ?θ?ˈno??k/, yog acolourless kua organic sib xyaw nrog cov tshuaj formulaCH3COOH (tseem sau ua CH3CO2Hor C2H4O2). Thaum undiluted, nws yog qee zaum hu ua glacial acetic acid.

Tsis tas li ntawd, puas yog acetic acid yog cov khoom lossis cov khoom sib xyaw?

Cia peb saib ze dua ntawm cov qauv tshuaj ntawm kua qaub . Acetic acid yog cais raws li carboxylic kua qaub . Ib qho carboxylic kua qaub , qhia raws li RCOOH, yog ib pawg ntawm cov organic tebchaw uas muaj ib pawg carboxyl. Ntawm no, Rgroup hauv carboxylic kua qaub Cov qauv yuav muaj ib lossis ntau cov pa roj carbon thiab / lossis hydrogen atoms.

Ib yam li ntawd, yog mis nyuj sib xyaw? Mis tsis yog ib qho khoom uas tau teev tseg rau ntawm lub rooj zaum. Mis tsis yog ib leeg sib xyaw , tab sis amixture ntawm sib txuas.

Hais txog qhov no, hom teeb meem twg yog acetic acid?

Acetic acid , kuj hu ua ethanoic kua qaub , yog ib qho organic chemical compound zoo tshaj plaws lees paub rau kev muab vinegar nws qaub saj thiab pungent tsw. Cov dej ntshiab tsis muaj dej acetic acid (glacial acetic acid ) yog cov kua xim tsis muaj xim hygroscopic thiab khov hauv qab 16.7 ° C (62 ° F) rau acolourless crystalline khoom.

Cov xim ntawm acetic acid yog dab tsi?

Acetic acid , kuj hu ua ethanoic kua qaub , yog ib qho organic chemical compound zoo tshaj plaws rau kev muab vinegarits qaub saj thiab pungent tsw. Cov dej ntshiab tsis muaj dej tshuaj aceticacid (glacial acetic acid ) yog cov xim tsis muaj xim hygroscopicliquid thiab khov hauv qab 16.7 ° C (62 ° F) rau cov khoom tsis muaj xim dawb.

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