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9) For which of the following substances does phosphorus (P) have the largest value for oxidation...
urgent 9) For which of the following substances does phosphorus (P) have the largest value for oxidation number? a) Na3P b) H3PO4 c) PO, d) PF; e) P4
9) For which of the following substances does phosphorus (P) have the largest value for oxidation number? a) Na P b) H3PO4 c) PF3 d) P e) PO;- 10) Which of the following is always true for the oxidation numbers in an oxidation-reduction reaction? a) The value for the oxidation number for atoms of the element being oxidized must increase as we go from reactants to products b) The initial value for the oxidation number for atoms of the element...
8) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH2PO4) and 0.0100 moles of potassium hydrogen phosphate (K2HPO4) into 1.000 liters of water. When 0.0010 moles of NaOH is added to this solution, what will happen? The pH of the solution will decrease by a large amount ( > 0.10 pH units) The pH of the solution will decrease by a small amount (< 0.10 pH units) The pH of the solution will be exactly...
7) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH2PO4) and 0.0100 moles of potassium hydrogen phosphate (K_HPO4) into 1.000 liters of water. When 0.0010 moles of NaOH is added to this solution, what will happen? a) The pH of the solution will increase by a small amount (< 0.10 pH units) b) The pH of the solution will increase by a large amount > 0.10 pH units) c) The pH of the solution will...
Write the oxidation state of each atom in the following substances. Show all work. a) HOF b) HCO3^- c) H3PO4 d) FeSO3
22) Determine the oxidation state of P in PO33-. A) +2 B) 0 C) +6 D) -3 23) What element is undergoing reduction (if any) in the following reaction? Zn(s) + 2 AgNO3(aq) → Zn(NO3)2 (aq) + 2 Ag(s) A) Zn B) O C) N D) Ag E) This is not an oxidation-reduction reaction.
Question 4 of 31 In which of the following species does sulfur have the lowest oxidation number? A) S? B)S: C) SO,2- D) SO2- E) S:0,-
In which of the following compounds does oxygen have the least negative oxidation state? a) K2O b) K2O2 c) KO2 d) KOH e) Oxygen has the same oxidation state in all of the above.
Determine the oxidation number of the indicated element in each of the following substances: (a) S in SO 3; (b) C in COCl 2; (c) Mn in MnO 4; (d) Br in HBrO; (e) As in As 4; (f) O in K 2 O 2.
What is the simplest compound that phosphorus and fluorine can form so that all atoms have octets in their valence shells? A) P5F7 B) P2F6 C) PF D) PF3 E) P2F4