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Acid astatinhidric

Acid astatinhidric
Molecula 3D
Molecula 3D
Denumiri
Identificare
SMILES
Număr CAS13464-71-6
PubChem CID23996
Formulă chimicăAtH[1]  Modificați la Wikidata
Masă molară211,088 g/mol
Punct de fierbere+ sau - 5°C [2]
AnionHidrogen
CationAstatin
Sunt folosite unitățile SI și condițiile de temperatură și presiune normale dacă nu s-a specificat altfel.
Modifică date / text Consultați documentația formatului

Acidul astatinhidric este un acid anorganic cu formula chimică HAt. Este preparat prin sinteza elementelor hidrogen și astatin, prin urmare, este cel mai rar acid, deci nici nu există în natură. Dacă s-ar lua în considerare proprietățile acizilor halogenilor, atunci acidul astatinhidric ar trebui să fie cel mai tare, mai tare chiar și decât acidul clorhidric.

S-a aflat că acesta se disociază în elementele chimice ce îl compun:

2 HAt → H+ + At− + H− + At+ → H2 + At2

Formare

Reacții de formare ale acestui acid sunt foarte puține, dar printre ele se numără

NaAt (s) + H2SO4 (aq) -> HAt (g) + NaHSO4 (s) [3]

Reacții

Cu halogeni

Combinat cu clorul și cu bromul, acidul astatinhidric reacționează conform ecuațiilor:

Cl + HAt → HCl + At
Br + HAt → HBr + At [4]

Referințe

  1. ^ a b „Acid astatinhidric”, astatane (în engleză), PubChem, accesat în  
  2. ^ en Probabilitate, accesat la data de 23 martie 2012 http://wiki.answers.com/Q/What_is_the_boiling_point_of_hydrogen_astatide
  3. ^ en Accesat la data de 23 martie 2012 http://uk.answers.yahoo.com/question/index?qid=20110221065236AA96aVr
  4. ^ en Accesat la data de 23 martie 2012 http://jcp.aip.org/resource/1/jcpsa6/v64/i11/p4657_s1?isAuthorized=no[nefuncțională]
 Acest articol despre un acid este un ciot. Puteți ajuta Wikipedia prin completarea lui.


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