Garam

Konsep Dasar

Garam terbentuk dari kation (ion positif) dan anion (ion negatif).

 

\(\ce{Kation + Anion -> Garam}\)

 

Penamaan senyawa garam dimulai dari nama kation diikuti oleh nama anionnya.

 

 

Contoh-contoh pembentukan garam

Kation + Anion \(\ce{->}\) Garam
\(\ce{Na+}\) + \(\ce{Cl-}\) \(\ce{->}\) \(\ce{NaCl}\)

Natrium klorida

\(\ce{K+}\) + \(\ce{CrO4^{2-}}\) \(\ce{->}\) \(\ce{K2CrO4}\)

Kalium kromat

\(\ce{Mg^{2+}}\) + \(\ce{NO3-}\) \(\ce{->}\) \(\ce{Mg(NO3)2}\)

Magnesium nitrat

\(\ce{Ba^{2+}}\) + \(\ce{SiO3^{2-}}\) \(\ce{->}\) \(\ce{BaSiO3}\)

Barium silikat

\(\ce{Al^{3+}}\) + \(\ce{CO3^{2-}}\) \(\ce{->}\) \(\ce{Al2(CO3)2}\)

Alumunium karbonat

\(\ce{Ca^{2+}}\) + \(\ce{PO4^{3-}}\) \(\ce{->}\) \(\ce{Ca3(PO4)2}\)

Kalsium fosfat

\(\ce{NH4^{+}}\) + \(\ce{CN-}\) \(\ce{->}\) \(\ce{NH4CN}\)

Amonium sianida

\(\ce{NH4^{+}}\) + \(\ce{SO4^{2-}}\) \(\ce{->}\) \(\ce{(NH4)2SO4}\)

Amonium sulfat

\(\ce{Na+}\) + \(\ce{CH3COO-}\) \(\ce{->}\) \(\ce{CH3COONa}\)

Natrium asetat

\(\ce{Zn^{2+}}\) + \(\ce{CH3COO-}\) \(\ce{->}\) \(\ce{Zn(CH3COO)2}\)

Seng asetat

 

 

Garam dengan 2 jenis kation

Kation + Anion \(\ce{->}\) Garam
\(\ce{Cu^{+}}\) + \(\ce{SO4^{2-}}\) \(\ce{->}\) \(\ce{Cu2SO4}\)

Tembaga (I) sulfat

(I) adalah bilangan oksidasi \(\ce{Cu}\)

\(\ce{Cu^{2+}}\) + \(\ce{SO4^{2-}}\) \(\ce{->}\) \(\ce{CuSO4}\)

Tembaga (II) sulfat

(II) adalah bilangan oksidasi \(\ce{Cu}\)

\(\ce{Fe^{2+}}\) + \(\ce{Br-}\) \(\ce{->}\) \(\ce{FeBr2}\)

Besi (II) bromida

(II) adalah bilangan oksidasi \(\ce{Fe}\)

\(\ce{Fe^{3+}}\) + \(\ce{Br-}\) \(\ce{->}\) \(\ce{FeBr3}\)

Besi (III) bromida

(III) adalah bilangan oksidasi \(\ce{Fe}\)

 

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Garam