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Estudos Gerais • 05/12/2025

Exemplo 2 - Detern. e o Nox do crômio nos compostos: a) Cr$...

Exemplo 2 - Detern. e o Nox do crômio nos compostos:

a) Cr2_2O3_3

b) Na2_2Cr2_2O7_7

c) Ca2_2CrO4_4

d) Cr3+^{3+}

Al2_2 (S4_4)3_3

Al2_2 S3_3O12_{12}

2.(+3)+3.x+12.(-2)=0 +6+3x-24 = 0

Nox 3.x = X=+

[X=+

Exemplo 2 - Detern. e o Nox do crômio nos compostos: a) Cr$_2$O$_3$ b) Na$_2$Cr$_2$O$_7$ c) Ca$_2$CrO$_4$ d) Cr$^{3+}$ Al$_2$ (S$_4$)$_3$ Al$_2$ S$_3$O$_{12}$ 2.(+3)+3.x+12.(-2)=0 +6+3x-24 = 0 Nox 3.x = X=+ [X=+
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