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4.45 Obtain the oxidation number for the element noted in each of the following. (a) Ga in Ga,O3 (c) Br in KBr04 (b) Pb in PbO2 (d) Mn in K,MnO.

4.45 Obtain the oxidation number for the element noted in each of the following. (a) Ga in Ga,O3 (c) Br in KBr04 (b) Pb in PbO2 (d) Mn in K,MnO.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
Section: Chapter Questions
Problem 60QAP: Gold metal will dissolve only in aqua regia, a mixture of concentrated hydrochloric acid and...
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4.45
REACTIONS EVOLVING A GAS 4.42 The followi 4.41 The following reactions occur in aqueous solution. Com- plete and balance the molecular equations using phase fabels. Then write the net ionic equations. (a) CaS + HBr (b) MgCO, + HNO3 (c) K2SO3 + H,SO4 plete and balance Then write the ne (a) BACO3 + HM (b) K2S + HCI - (c) CaSO3(s) + 4.43 Write the molecular equation and the net ionic equation for the reaction of solid iron(II) sulfide and hydrochloric acid. Add phase labels. 4.44 Write the r for the reaction c mide in aqueous OXIDATION NUMBERS 4.45 Obtain the oxidation number for the element noted in each of the following. (a) Ga in GazO3 (c) Br in KBrO4 4.47 Obtain the oxidation number for the element noted in each of the following. (a) N in NH2 (c) Al in Al(OH)4 4.46 Obtain the (b) Pb in PbO2 (d) Mn in K2MNO4 each of the follow (a) Cr in CrO3 (c) Ga in Ga(OH 4.48 Obtain the each of the follov (b) I in IO3 (d) P in H2PO4 (a) N in NO, (c) Zn in Zn(OH 4.49 Determine the oxidation numbers of all the elements in each of the following compounds. (Hint: Look at the ions pres- ent.) (a) Mn(CIO3)2 (c) HgCr30, 4.50 Determine each of the follov (b) Fe,(CrO4)3 (d) Co3(PO4)2 ent.) (a) Hg2(BrO3)2 (c) CoSeO4
Transcribed Image Text:REACTIONS EVOLVING A GAS 4.42 The followi 4.41 The following reactions occur in aqueous solution. Com- plete and balance the molecular equations using phase fabels. Then write the net ionic equations. (a) CaS + HBr (b) MgCO, + HNO3 (c) K2SO3 + H,SO4 plete and balance Then write the ne (a) BACO3 + HM (b) K2S + HCI - (c) CaSO3(s) + 4.43 Write the molecular equation and the net ionic equation for the reaction of solid iron(II) sulfide and hydrochloric acid. Add phase labels. 4.44 Write the r for the reaction c mide in aqueous OXIDATION NUMBERS 4.45 Obtain the oxidation number for the element noted in each of the following. (a) Ga in GazO3 (c) Br in KBrO4 4.47 Obtain the oxidation number for the element noted in each of the following. (a) N in NH2 (c) Al in Al(OH)4 4.46 Obtain the (b) Pb in PbO2 (d) Mn in K2MNO4 each of the follow (a) Cr in CrO3 (c) Ga in Ga(OH 4.48 Obtain the each of the follov (b) I in IO3 (d) P in H2PO4 (a) N in NO, (c) Zn in Zn(OH 4.49 Determine the oxidation numbers of all the elements in each of the following compounds. (Hint: Look at the ions pres- ent.) (a) Mn(CIO3)2 (c) HgCr30, 4.50 Determine each of the follov (b) Fe,(CrO4)3 (d) Co3(PO4)2 ent.) (a) Hg2(BrO3)2 (c) CoSeO4
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