For the Aqueous Reaction 2 Cr³⁺ + 3 IO₄ ^-

question 53

Multiple Choice

For the aqueous reaction 2 Cr³⁺ + 3 IO₄ ^- + 10 OH ^- →2 CrO₄^{2 -} + 3 IO₃ ^- + 5 H₂O, under a given set of conditions, the rate of appearance of CrO₄^{2 -} is 3.0×10 ^{- 4} mol/L × s. What is the rate of disappearance of IO₄ ^- ?

• A) 2.0×10 ^{- 4} mol/L × s
• B) 3.0×10 ^{- 4} mol/L × s
• C) 4.5×10 ^{- 4} mol/L × s
• D) 6.0×10 ^{- 4} mol/L × s
• E) none of these

---

Definitions:

Sublimation

A defense mechanism by which socially unacceptable impulses or idealizations are transformed into socially acceptable actions or behaviors.

Projection

A defense mechanism where individuals attribute their own unwanted feelings, desires, or impulses onto someone else.

Withdrawal Coping

A stress management strategy involving retreating from problems or avoiding dealing with stressful situations.

Stoicism

An ancient Hellenistic philosophy that teaches the development of self-control and fortitude as a means of overcoming destructive emotions and achieving personal contentment.