In which reaction does the oxidation number of hydrogen change? A CaO (s) + H2O (/) → Ca(OH)2 (s) B) HCI (aq) + NaOH (aq) → NacI (aq) + H20 (1) C) 2Na (s) + 2H20 () → 2NaOH (aq) + H2 (g) D So2 (g) + H2O (I) → H2S03 (aq) 2HCIO4 (aq) + CaCO3 (s) → Ca(CIO4)2 (aq) + H2O (I) + CO2 (g)
In which reaction does the oxidation number of hydrogen change? A CaO (s) + H2O (/) → Ca(OH)2 (s) B) HCI (aq) + NaOH (aq) → NacI (aq) + H20 (1) C) 2Na (s) + 2H20 () → 2NaOH (aq) + H2 (g) D So2 (g) + H2O (I) → H2S03 (aq) 2HCIO4 (aq) + CaCO3 (s) → Ca(CIO4)2 (aq) + H2O (I) + CO2 (g)
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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Transcribed Image Text:The task is to identify in which reaction the oxidation number of hydrogen changes, from the given chemical equations:
A) \( \text{CaO (s) + H}_2\text{O (l) }\rightarrow \text{ Ca(OH)}_2\text{ (s)} \)
B) \( \text{HCl (aq) + NaOH (aq) }\rightarrow \text{ NaCl (aq) + H}_2\text{O (l)} \)
C) \( \text{2Na (s) + 2H}_2\text{O (l) }\rightarrow \text{ 2NaOH (aq) + H}_2\text{ (g)} \)
D) \( \text{SO}_2\text{ (g) + H}_2\text{O (l) }\rightarrow \text{ H}_2\text{SO}_3\text{ (aq)} \)
E) \( \text{2HClO}_4\text{ (aq) + CaCO}_3\text{ (s) }\rightarrow \text{ Ca(ClO}_4\text{)}_2\text{ (aq) + H}_2\text{O (l) + CO}_2\text{ (g)} \)
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