(b) IF. Give the oxidation number of the underlined atoms in the AN alO a, (i) K
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(b) IF. Give the oxidation number of the underlined atoms in the AN alO a, (i) Ko TM2, (m) PFo.(n) KAuci4. Give the oxidation number for the following species: Hz. See, P4. O. U. As B12- 4.48 Give oxidation numbers for the underlined atoms in the following molecules and ions: (a) cso. 4.49 (b) cal2, (c) Al M203 Give the oxidation numbers of the underlined atoms in the following molecules and ions: (a 4.50 NaeHa, (h) woa MgaN2, c (c) Caca, (d) co (e) caoa Znoi (g) (b) 4.51 acid is a strong agent. State which of the following species is least likely to be Nitric agent such as zinc metal, and explain why: produced when nitric acid reacts with a strong reducing NO2, Nzoa, N20's, NH4 4.52 Which of the following metals can react with water? (a) Au, (b) Li, (c) Hg, (d) ca, (e) Pt. 4.53 On the basis of oxidation number considerations, one of the following oxides would not react w molecular oxygen: NO, N20, so2, sos, P40e. Which one is it? Why? 4.54 Predict the outcome of the reactions represented by the following equations by using the acti Series, and balance the equations. a. Cu(s) HCl(aq) b. (s) NaBr(aq) c. Mg (s) Cuso4(aq) d. C120g) KBr(aq) 4.55 Classify the following redox reactions: a. 2H20, 2H20 O2 b Mg 2AgNO's c. NH4NO2 N, 2H20 2HBr d. H2 Br,Explanation / Answer
SO3 does not react with molecular oxygen.
Because oxidation state of S in SO3 is +6, that is the maximum oxidation state of S. So it does not expand its oxidation state beyond +6 by reaction with O2.
# SO3 + O2 --------> SO4 ( not formed like this)
But other given compounds can react with O2.
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