'hat is the oxidation number of Cr in a dichromate anion Cr2072- ? A) +6 B) +2 C) +3 rite the net ionic equation for a reaction between a strong acid and strong base. A) H20() → H+(aq) + OH-(aq) В) н (аg) + ОН-(ag) — Н20() C) HCI(aq) + NAOH(aq) → NaCI(aq) + H2O()

'hat is the oxidation number of Cr in a dichromate anion Cr2072- ? A) +6 B) +2 C) +3 rite the net ionic equation for a reaction between a strong acid and strong base. A) H20() → H+(aq) + OH-(aq) В) н (аg) + ОН-(ag) — Н20() C) HCI(aq) + NAOH(aq) → NaCI(aq) + H2O()

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

What is the oxidation number of Cr in a dichromate anion Cr2072- ?
A) +6
B) +2
C) +3
Write the net ionic equation for a reaction between a strong acid and strong base.
A) Н20() — Н+(aq) + Он-(ад)
В) H+(аq) + ОН-(agд) — Н20()
С) HС(а9) + NadН(а9) — NaCl(ag) + H20()

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