Video: Lub xeev oxidation ntawm CaCO3 yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum kawg, tus nqi C yog +4. Cov calcium atom yog anelement pom nyob rau hauv pawg thib ob ntawm lub sij hawm. Cov ntsiab lus no poob ob lub tshuab hluav taws xob hauv tshuaj lom neeg lossis muaj oxidation xeev 2+ nyob rau hauv ib tug chemical compound. Lwm txhais tes thecarbonate yog ib qho ion ntau hauv inorganic chemistry thiab muaj 2-them nqi.
Ib yam li ntawd, tib neeg nug, lub xeev oxidation dab tsi carbon muaj nyob hauv CaCO3?
Kev daws: Dab tsi yog qhov oxidation xeev ntawm tus kheej: carbon atom hauv CaCO 3 Nitrogen atom hauv KNO3 phosphorus atom hauv PO43-? carbon atom inC2O42−?Express cov oxidation xeev tus lej (piv txwv li, +1).
Ib tug kuj yuav nug, koj yuav nrhiav tau lub xeev oxidation li cas? Kev piav qhia:
- Tus naj npawb oxidation ntawm cov khoom dawb yog ib txwm 0.
- Tus lej oxidation ntawm monatomic ion sib npaug ntawm tus nqi ntawm ion.
- Tus naj npawb oxidation ntawm H yog +1, tab sis nws yog -1 nyob rau hauv thaum ua ke nrog tsawg electronegative ntsiab.
- Tus lej oxidation ntawm O hauv cov tebchaw feem ntau yog -2, tab sis nws yog -1 hauv peroxides.
Hauv qhov no, tus nqi ntawm CaCO3 yog dab tsi?
Nws yog heev yooj yim lub nqi ntawm Ca Ion yog 2+ andthe nqi ntawm CO3 yog 2- yog li cov txiaj ntsig ntawm nqi ntawm CaCO 3 compound yog +2 + -2 = 0 (nws yog nruab nrab). Peb tuaj yeem nrhiav tau yooj yim nqi los ntawm summation ntawm nqi ntawm txhua atom / molecule siv los tsim cov compound.
Tus lej oxidation ntawm calcium yog dab tsi?
Cov Oxidation xeev ntawm Calcium Ca = 2 and forOxygen O = -2. Teb: Li no lub Oxidation xeev ntawm Calcium yog +2 thiab Oxygen yog -2 thiab cov compound tau hais kom zoo tshaj plaws.
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