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dvojka pokračovanie

dvojka-pokracovanie

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Vazba koordinačne kovalentni:

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Koordinačné kovalentní vazbu obsahuje např.

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Co z uvedených tvrzení platí pro koordinační (komplexní) sloučeniny přechodných prvku:

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Oxidační číslo:

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Oxidační číslo- I má nápríklad:

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V rovnici AgNO3+NaCl ---) AgCl+ NaNO3 náleží atomum stříbra oxidační číslo:

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Oxidační číslo atomu uhlíku v kyselině štavelové HOOC-COOH je:

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V reakci O2+ 2 H2----) 2 H2O

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V reakci Zn+ 2 HCl---) ZnCl2 + H2:

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