Os NOX do enxofre em H2S, S8 e Na2SO3 são, respectivamente,
Determinação de NOX

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
JR Matiello
Used 27+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
+2, -8 e -4.
-2, zero, e +4.
-2, zero, e -4.
-2, +8 e +4.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Os NOX do cloro em KClO2, Ca(ClO)2, Mg(ClO3)2 e Ba(ClO4)2 são, respectivamente,
+3, +2, +4 e +6
+3, +1, +5 e +6
-3, -1, -5 e -7
+3, +1, +5 e +7
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A soma algébrica dos números de oxidação do iodo nas substâncias NaIO, NaI, NH4IO3 e I2 é:
3
4
5
6
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
No composto Mn2O3, o manganês apresenta número de oxidação igual ao do fósforo no composto:
H3PO2
H3PO4
H4P2O7
H4P2O5
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nos íons: NO31-, IO41-, Cr2O72-, P2O74-, S2O82-, o NOX dos elementos ligados ao oxigênio são:
+5; +5; +7; +6; +7
+6; +7; +5; +5; +7
+7; +5; +6; +5; +7
+5; +7; +6; +5; +7
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Os NOX dos elementos destacados: HCOOH, BaO2, BeH2, K2S, são, respectivamente
+2; -2; -1; -2
+2; +2; -1; -2
+2; +4; +1; +2
-2; +2; +1; -2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
O NOX dos halogênios nos compostos KBr, NaIO3, F2 e Cl2O3 é, respectivamente:
+1; +3; 0; +5
-1; +5; 0; -3
-1; +5; 0; +3
-1; -3; 0; -5
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