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Consider the Aqueous Phase Reaction Between the Dichromate Anion and Iron

Question 15

Multiple Choice

Consider the aqueous phase reaction between the dichromate anion and iron (II) cations:14 H3O+(aq) + Cr2O72- + 6Fe2+(aq) \rarr 2Cr3+(aq) + 21H2OWhat is the reaction rate expressed in terms of changing H3O+ concentration?


A) Reaction rate =  Consider the aqueous phase reaction between the dichromate anion and iron (II)  cations:14 H<sub>3</sub>O<sup>+</sup>(aq)  + Cr<sub>2</sub>O<sub>7</sub><sup>2- </sup>+ 6Fe<sup>2+</sup>(aq)    \rarr  2Cr<sup>3+</sup>(aq)  + 21H<sub>2</sub>OWhat is the reaction rate expressed in terms of changing H<sub>3</sub>O<sup>+</sup><sup> </sup>concentration? A)  Reaction rate =   B)  Reaction rate = -   C)  Reaction rate = -   D)  Reaction rate =
B) Reaction rate = -  Consider the aqueous phase reaction between the dichromate anion and iron (II)  cations:14 H<sub>3</sub>O<sup>+</sup>(aq)  + Cr<sub>2</sub>O<sub>7</sub><sup>2- </sup>+ 6Fe<sup>2+</sup>(aq)    \rarr  2Cr<sup>3+</sup>(aq)  + 21H<sub>2</sub>OWhat is the reaction rate expressed in terms of changing H<sub>3</sub>O<sup>+</sup><sup> </sup>concentration? A)  Reaction rate =   B)  Reaction rate = -   C)  Reaction rate = -   D)  Reaction rate =
C) Reaction rate = -  Consider the aqueous phase reaction between the dichromate anion and iron (II)  cations:14 H<sub>3</sub>O<sup>+</sup>(aq)  + Cr<sub>2</sub>O<sub>7</sub><sup>2- </sup>+ 6Fe<sup>2+</sup>(aq)    \rarr  2Cr<sup>3+</sup>(aq)  + 21H<sub>2</sub>OWhat is the reaction rate expressed in terms of changing H<sub>3</sub>O<sup>+</sup><sup> </sup>concentration? A)  Reaction rate =   B)  Reaction rate = -   C)  Reaction rate = -   D)  Reaction rate =
D) Reaction rate =  Consider the aqueous phase reaction between the dichromate anion and iron (II)  cations:14 H<sub>3</sub>O<sup>+</sup>(aq)  + Cr<sub>2</sub>O<sub>7</sub><sup>2- </sup>+ 6Fe<sup>2+</sup>(aq)    \rarr  2Cr<sup>3+</sup>(aq)  + 21H<sub>2</sub>OWhat is the reaction rate expressed in terms of changing H<sub>3</sub>O<sup>+</sup><sup> </sup>concentration? A)  Reaction rate =   B)  Reaction rate = -   C)  Reaction rate = -   D)  Reaction rate =

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