Table 20.2 -Which of the Following Reactions Will Occur Spontaneously as Written

question 32

Multiple Choice

Table 20.2
-Which of the following reactions will occur spontaneously as written?

• A)3Fe²⁺ (aq) + Cr³⁺ (aq) → Cr (s) + 3Fe³⁺ (aq)
• B)2Cr³⁺ (aq) + 3Sn²⁺ (aq) → 3Sn⁴⁺ (aq) + 2Cr (s)
• C)Sn⁴⁺ (aq) + Fe²⁺ (s) → Sn²⁺ (aq) + Fe (s)
• D)Sn²⁺ (aq) + Fe²⁺ (s) → Sn⁴⁺ (aq) + Fe³⁺ (aq)
• E)2Cr (s) + 3Fe²⁺ (s) → 3Fe (s) + 2Cr³⁺ (aq)

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Definitions:

Tower of Hanoi

A mathematical game or puzzle consisting of three pegs and a number of disks of different sizes which can slide onto any peg, with the objective being to move the entire stack to another peg, following certain rules.

Subgoals

Intermediate objectives or targets set in pursuit of a primary goal, helping to structure progress.

Concrete Operational Stage

A phase in Piaget's theory of cognitive development where children gain the ability to think logically about concrete events.

Preoperational Stage

A developmental stage, identified by Jean Piaget, where children aged 2-7 years think symbolically but are not yet logical.