Problem: Give an example of a redox (noncombustion) reaction.A. HCl(aq) + NaOH(aq) → H2O(l) + NaCl(aq)B. H2SO4(aq) + Li2S(aq) → H2S(g) + Li2SO4(aq)C. CH4(g) + 2 O2(aq) → CO2(s) + 2 H2O(aq)D. 2 Na(s) + Cl2(g) → 2 NaCl(s)

FREE Expert Solution

Redox reaction involves:

Loss Electrons → Oxidation → Reducing Agent

Gain Electrons → Reduction → Oxidizing Agent

This means the element that gains electrons/reduced is the oxidizing agent while the element that loses electrons/oxidized is the reducing agent. 


A. HCl(aq) + NaOH(aq) → H2O(l) + NaCl(aq)

• HCl → acid

• NaOH → base

• acid base reaction →  no change in oxidation state (like a double displacement reaction, exchange of ions only)

B. H2SO4(aq) + Li2S(aq) → H2S(g) + Li2SO4(aq)

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Problem Details

Give an example of a redox (noncombustion) reaction.

A. HCl(aq) + NaOH(aq) → H2O(l) + NaCl(aq)

B. H2SO4(aq) + Li2S(aq) → H2S(g) + Li2SO4(aq)

C. CH4(g) + 2 O2(aq) → CO2(s) + 2 H2O(aq)

D. 2 Na(s) + Cl2(g) → 2 NaCl(s)

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