This Is a True Story; Can You Explain What Happened

question 68

Multiple Choice

This is a true story; can you explain what happened? Prior to a really important dinner party, the hostess discovered that her silverware was very tarnished. She needed a quick fix. She remembered reading that the tarnish (Ag₂S) would be removed if you immersed the silverware in a hot solution of baking soda (NaHCO₃) in a pan lined with aluminum foil. So she did, and so it was, but she noticed a bit of a rotten egg smell (H₂S) being produced. Which one of the following statements cannot represent what might have been happening? Metal/Metal ion
E silver/silver(I) 0.799
Aluminum/aluminum(III) -1.677

• A) Al  Al³⁺ + 3e^-
• B) Ag⁺ + e^-  Ag
• C) 2HCO₃^- +S^2-  H₂S + 2CO₃^2-
• D) HCO₃^- +S^2-  HS^- + CO₃^2-
• E) 2HCO₃^- +Ag₂S  H₂S + 2CO₃^2- + 2Ag

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Definitions:

REBT

Rational Emotive Behavior Therapy (REBT) is a form of psychotherapy that identifies irrational beliefs, challenges them, and encourages the adoption of more rational and adaptive thought patterns to address emotional and behavioral issues.

Unfortunate Events

Circumstances or occurrences that have negative outcomes or are considered unlucky.

Cognitive Restructuring

A therapeutic technique used to challenge and change negative and irrational thought patterns to reduce psychological distress.

Chronic Depression

A long-term form of depression, also known as dysthymia, characterized by persistent low mood and other depressive symptoms.