Video: Yuav ua li cas koj sau Roman tus lej nrog kev hloov pauv hlau?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hauv lub npe kev hloov hlau ib, add a Roman tus lej nyob rau hauv kab lus tom qab lub npe kev hloov hlau ion. Cov Roman tus lej yuav tsum muaj tus nqi ib yam li tus nqi ntawm cov ion. Hauv peb qhov piv txwv, lub kev hloov hlau ion Fe2+ yuav muaj lub npe hlau (II).
Kuj kom paub yog, dab tsi Roman tus lej tom qab cov ntsiab lus txhais tau li cas?
Kev siv ntawm Roman tus lej nyob rau hauv tshuaj nomenclature yog qhia tus nqi ntawm cov ion. Feem ntau, cov hlau hloov pauv muaj ntau yam ua tau ion nqi. Piv txwv li, Fe (II) sawv cev rau Fe2+ thiab Fe (III) sawv cev rau Fe3+; tus nqi hloov raws li tus naj npawb ntawm electrons ntawm lub atom.
Qhov thib ob, puas yog tag nrho cov hlau hloov pauv muaj cov lej Roman? Ob peb qhov kev zam siv rau cov Roman tus lej Khoom siv: Aluminium, Zinc, thiab Silver. Txawm hais tias lawv koom nrog kev hloov hlau qeb, cov hlau ua tsis yog muaj cov lej Roman sau tom qab lawv lub npe vim cov no hlau tsuas muaj nyob hauv ib lub ion.
Tsis tas li ntawd, vim li cas cov lej Roman siv rau cov npe ntawm cov tebchaw uas muaj cov hlau hloov pauv?
Lawv yog siv vim lawv pab paub qhov txawv ntawm ntau yam ions ntawm kev hloov hlau.
Tus lej Roman sawv cev li cas hauv lub npe tshuaj?
Cov Roman tus lej qhia txog tus nqi thiab lub xeev oxidation ntawm kev hloov hlau ion. Piv txwv li, hlau ua tau tsim ob hom ions, Fe2+ thiab Fe3+. Yuav kom paub qhov txawv qhov txawv, Fe2+ yuav muab lub npe hlau (II) thiab Fe3+ yuav npe hlau (III).
Pom zoo:
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