Chapter 18: Q79E (page 1046)
Predict the product of burning francium in air.
Francium oxide is produced when francium is burned in air.
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What is the oxidation state of the nobel gas in each of the following ?
(a) \({\rm{Xe}}{{\rm{O}}_{\rm{2}}}{{\rm{F}}_2}\) (b) \({\rm{Kr}}{{\rm{F}}_{\rm{2}}}\) (c) \({\rm{XeF}}_{\rm{3}}^{\rm{ + }}\) (d) \(\)\({\rm{XeO}}_{\rm{6}}^{{\rm{4 - }}}\)
Using equations, describe the reaction of water with potassium and with potassium oxide.
What volume of \(0.200MNaOH\)is necessary to neutralize the solution produced by dissolving \(2.00\;{g^{g }}PC{l_3}\) is an excess of water? Note that when \({H_3}P{O_3}\)is titrated under these conditions, only one proton of the acid molecule reacts.
Illustrate the amphoteric nature of aluminum hydroxide by citing suitable equations.
What mass of magnesium forms when \({\bf{100}},{\bf{000}}{\rm{ }}{\bf{A}}\) is passed through a \({\bf{MgC}}{{\bf{l}}_2}\)melt for \({\bf{1}}.{\bf{00}}{\rm{ }}{\bf{h}}\) if the yield of magnesium is \({\bf{85}}\% \) of the theoretical yield?
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