Which of the Following Processes Is Not Exothermic

question 27

Multiple Choice

Which of the following processes is not exothermic?

• A)Rb⁺(g)+ e^- → Rb(g)
• B)​Rb⁺(g)+ Cl^-(g)→ RbCl(s)
• C)​Cl(g)+ e^- → Cl^-(g)
• D)​Rb(g)→ Rb(s)
• E)​ Cl₂(g)→ Cl(g)

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Definitions:

Giant Arthropods

Large, extinct or extant invertebrates within the arthropod phylum, such as some ancient insects or land-dwelling crustaceans.

Carboniferous

A geological period approximately 359 to 299 million years ago, characterized by the widespread presence of coal-bearing deposits.

O2 Levels

The concentration of oxygen in a given environment, crucial for the respiration of most aerobic life forms.

Half-Life

The time required for a quantity to reduce to half its initial value. In the context of radioactivity, it’s the time it takes for half of the radioactive atoms in a sample to decay.