Chifukwa chiyani yankho lofunikira limakhala ndi ma H+ ions?
Chifukwa chiyani yankho lofunikira limakhala ndi ma H+ ions?
Anonim

Chifukwa chake n’chakuti madzi paokha amagawanika haidrojeni ndi hydroxide ions. Pamene a yankho ndi kwambiri maziko, hydroxide yowonjezera ions adzatero zimatani ndi hydronium iliyonse ikangopanga. Choncho ndende ya hydrogen ions ndi otsika kwambiri, otsika kwambiri mpaka akhoza kunyalanyazidwa kawirikawiri.

Pankhani iyi, yankho lotani lomwe limatchedwa kuti ma OH ions H + ions ambiri?

Asidi ndi a yankho ndi ma H + ions ambiri kuposa OH- ions. Asidi ndi chinthu chilichonse chomwe chimatulutsa haidrojeni ions (H+kapena hydronium ions (H3O+) ikasungunuka m'madzi. Hydronium ions - ndi kuphatikiza kwa H + ions ndi mamolekyu a H2O.

Pambuyo pake, funso ndilakuti, ma H + ions ndi chiyani? Hydrogen ion, mosamalitsa, phata la a haidrojeni atomu yolekanitsidwa ndi elekitironi yotsagana nayo. The haidrojeni nyukiliyasi imapangidwa ndi tinthu tating'onoting'ono tokhala ndi chigawo chabwino chamagetsi, chotchedwa proton (q.v.). Odzipatula hydrogen ion, woimiridwa ndi chizindikiro cha H+, chifukwa chake nthawi zambiri amagwiritsidwa ntchito kuyimira proton.

Poganizira izi, kodi mayankho ofunikira alinso ndi ma H ions amafotokoza chifukwa chake ali ofunikira potengera chitsanzo?

ions komanso OH? ions. ngati H? ion kuganizira kwambiri kuposa OH? ion ndiye yankho ndi acidic. Ndipo amawonetsa maziko khalidwe ngati OH? ion kukhazikika kumaposa H? ion kuganizira. Izo zikutanthauza kuti iwo ali maziko chifukwa cha kuchuluka kwa OH- ions.

Kodi ma acid okhala ndi ma OH ions?

Mu chemistry, acids ndi maziko kukhala tafotokozedwa mosiyana ndi magulu atatu a ziphunzitso. Limodzi ndi tanthauzo la Arrhenius, lomwe limazungulira lingaliro lakuti ma asidi ndi zinthu zomwe ionize (kuchoka) mu amadzimadzi yankho kupanga haidrojeni (H+) ions pamene maziko amapanga hydroxide (OH-) ions mu yankho.

Yotchuka ndi mutu