Which reagent is capable of oxidizing Cu to Cu2+ but does not oxidize Au to Au3+ ?

What is the assigned oxidation number for molybdenum in aluminum molybdate Al2(MoO4)3? +2 +7 +3 +6

Select each side of the mass balance equation for an Fe₂(PO4)2 solution where the species in solution are Fe²+, PO3-, HPO2-, H₂PO4, H₂PO4, and FeOH+. Identify the side of the mass balance equation that contains the iron-containing species. O [Fe2+] + [FeOH+] O2([Fe2+] + [FeOH+]) O 2[Fe2+] + [FeOH+] O 3 ([Fe2+] + [FeOH+]) Identify the side of the mass balance equation that contains the phosphate-containing species. O 3 [PO] + 2 [HPO¯] + [H₂PO4] O [PO] + [HPO²¯] + [H₂PO4] + [H3PO4] O 2 ([PO¾¯] + [HPO¾¯] + [H₂PO4] + [H₂PO4]) O 3 ([PO] + [HPO2] + [H₂PO] + [H₂PO4])

38. Balance the equation for the reaction of potassium with water. K(s) + H,0(1)H2 (g) + KOH(ag)

Which of the following will not react with FeCl2 (aq) A.   Na (s) B.   KOH (aq) C.   Ca(NO3)2 (aq)

takeCovalentActivity.do?locator%3Dassignment-take [Review Topics] [References] Use the References to access important values if needed for this question. 2HNO3 + 3Ni+ 6H*. 2NO + 3Ni++ 4H,0 -2+ In the above reaction, the oxidation state of nickel changes from * to How many electrons are transferred in the reaction? Submit Answer Retry Entire Group 9 more group attempts remaining Previous bp 40

12. Which of the following statements is not correct regarding the following redox reaction? MnO2 + 4HCI –→ MnCl2 + Cl2 + 2H2O Manganese(IV) oxide is the oxidizing agent. b. Chloride is oxidized. a. The oxidation number of Mn changes from +4 to +2. d. The oxidation number of Cl changes from -1 to 0. One electron is transferred from manganese to each chloride. с. е.

The following statements all relate to this redox reaction, which occurs in acidic solution:

q23 Thanks for your help ! :D

What is the oxidation number of Cl in POCl3?