Txo cov suab thaj yog cov suab thaj uas cov pa roj carbon monoxide muaj OH pawg txuas uas tuaj yeem txo lwm cov tebchaw. Tsis yog- txo cov suab thaj tsis muaj OH pawg txuas nrog cov pa roj carbon monoxide kom lawv tsis tuaj yeem txo lwm cov tebchaw… M altose thiab lactose txo cov suab thaj, thaum sucrose yog cov piam thaj tsis txo qis.
Kev txo qis thiab tsis txo cov suab thaj piav qhia piv txwv li cas?
Carbohydrates uas muaj dawb aldehyde thiab keto ua haujlwm pab pawg yog li txo cov suab thaj. Piv txwv li: Glucose, lactose. … Yog hais tias cov pab pawg tsis pub dawb, ces lawv tsis txo cov Tollens reagent thiab Fehling cov tshuaj thiab, yog li ntawd, cais raws li Non-txo suab thaj.
txhais li cas los ntawm tsis txo qab zib?
Ib qho qab zib uas tsis tuaj yeem pub electrons rau lwm cov molecules thiab yog li tsis tuaj yeemua tus neeg sawv cev txo qis. Sucrose yog cov piam thaj ntau tshaj plaws uas tsis txo qis.
Yuav ua li cas thiaj paub tias qab zib txo lossis tsis?
Ib txo qab zib yog ib qho uas txo lwm cov compound thiab nws tus kheej oxidized; uas yog, carbonyl carbon ntawm qab zib yog oxidized rau ib pawg carboxyl. Cov suab thaj yog cais raws li kev txo cov suab thaj nkaus xwb yog tias nws muaj daim ntawv qhib nrog cov pab pawg aldehydelossis pab pawg hemiacetal dawb.
Qhov txawv ntawm qhov txo qis thiab qhov tsis txo qhov kawg ntawm cov saw hlau yog dab tsi?
Qhov kawg ntawm cov molecule uas muaj cov pa roj carbon monoxide dawb hu ua qhov txo qhov kawg, thiab lwm qhov kawg yog hu ua nonreucing kawg. … Qhov txo qhov kawg ntawm cov carbohydrate yog cov pa roj carbon atom uas tuaj yeem sib npaug nrog cov saw hlau qhib aldehyde lossis keto daim ntawv.
