'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 & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter21: The Chemistry Of The Main Group Elements

Section: Chapter Questions

Problem 88GQ: The chemistry of gallium: (a) Gallium hydroxide, like aluminum hydroxide, is amphoteric. Write a...

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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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