과산화 칼륨 문서 원본 보기

{{위키데이터 속성 추적}}
{{Chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 443287436
| Name = 과산화 칼륨
| ImageFile = K2O2-structure.jpg
| ImageSize =
| ImageName =
| IUPACName = Potassium peroxide
| OtherNames =
|Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 17014-71-0
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = ZHB4ZOE9PU
| RTECS =
| PubChem = 28202
| EINECS = 241-089-8
| SMILES = [O-][O-].[K+].[K+]
|  ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 26237
|  InChI = 1/2K.O2/c;;1-2/q2*+1;-2
|  InChIKey = XXQBEVHPUKOQEO-UHFFFAOYAV
|  StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/2K.O2/c;;1-2/q2*+1;-2
|  StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = XXQBEVHPUKOQEO-UHFFFAOYSA-N

  }}
|Section2={{Chembox Properties
| Formula = K<sub>2</sub>O<sub>2</sub>
| MolarMass = 110.196 g/mol
| Appearance = yellow amorphous solid
| Density =
| Solubility = 물과 반응<ref name=hand>
{{서적 인용| last = Lide | first = David R. | year = 1998
 | title = Handbook of Chemistry and Physics
 | url = https://archive.org/details/isbn_9780849305948 | edition = 87 | location = Boca Raton, Florida | publisher = CRC Press
 | isbn = 0-8493-0594-2 | pages = 477; 520}}</ref>
| MeltingPtC = 490
| BoilingPt =
  }}
|Section3={{Chembox Structure
| CrystalStruct = [[사방정계]]
| SpaceGroup = Cmca, [[피어슨 심볼|oS16]]
| Coordination =
  }}
|Section4={{Chembox Thermochemistry
| DeltaHf = −496&nbsp;kJ·mol<sup>−1</sup><ref name=b1>{{서적 인용| author = Zumdahl, Steven S.|title =Chemical Principles 6th Ed.| url = https://archive.org/details/chemicalprincipl0000zumd_u9g0| publisher = Houghton Mifflin Company| year = 2009| isbn = 978-0-618-94690-7|page=A22}}</ref>
| Entropy = 113&nbsp;J·mol<sup>−1</sup>·K<sup>−1</sup><ref name=b1/>
 }}
|Section7={{Chembox Hazards
| NFPA-H = 3
| NFPA-F = 0
| NFPA-R = 2
| NFPA-S = W+OX
| EUClass =
| RPhrases =
| SPhrases =
| FlashPt =
  }}
|Section8={{Chembox Related
| OtherAnions = [[산화 칼륨]]<br />[[:en:Potassium superoxide]]<br />[[염화 칼륨]]
| OtherCations = [[과산화 리튬]]<br />[[:en:Sodium peroxide]]
  }}
}}

'''과산화 칼륨'''(過酸化─, potassium peroxide)은 [[화학식]] K<sub>2</sub>O<sub>2</sub>를 갖는 [[무기 화합물]]이다.

[[산화 칼륨]](K<sub>2</sub>O), [[초산화 칼륨]](KO<sub>2</sub>)과 더불어 [[칼륨]]이 대기 중 산소와 반응하면서 형성된다.
[[파일:Kristallstruktur Kaliumperoxid.png|섬네일|left|결정 구조]]
과산화 칼륨은 [[물]]과 반응하면 [[수산화 칼륨]]과 [[산소]]를 만들어낸다:

: <chem>2K2O2 + 2H2O -> 4KOH + O2 (^)</chem>

== 각주 ==
{{각주}}

== 외부 링크 ==
* {{위키공용분류-줄}}

[[분류:과산화물]]
[[분류:칼륨 화합물]]
[[분류:산화제]]