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5 Written questions

5 Matching questions

  1. Cl2O7 (l)+ H2O <-->
  2. What alkali metals can react with oxygen to form a superoxide (O2-)?
  3. Solubility of hydrogen halides
  4. Halogens react with hydrogen react to form hydrogen halides. Write an equation where X is the halogen reacting with hydrogen.
  5. Na2O + H2O -->
  1. a H2(g)+X2-->2HX(g)
  2. b NaOH (Basic and soluble)
  3. c Very soluble. HF is the weakest since it sometimes does not dissociate in water.
  4. d 2 HClO4 (aq)
  5. e K, Rb, and Cs

5 Multiple choice questions

  1. 2Na(s)+O2(g)-->Na2O2(s)
    Lithium will not react with peroxide.
  2. Si(OH)4 (aq) + 4 HCl (aq)
  3. 2 AlCl3 (aq) + 3 H2O
  4. Metal halides (Ionic bonding).
  5. H3PO3 (aq) + 3 HCl (aq)

5 True/False questions

  1. SiO2 + H2O -->Mg(OH)2 (Basic, but slightly soluble)

          

  2. Cl2O (g) + H2O <-->2 HClO (aq)

          

  3. SiO2 (s)+ 2 NaOH (aq) -->AT 350 DEGREES CELSIUS. Na2SiO3 (aq) + H2O

          

  4. 2 AlCl3 (s)+ 3H2O -->H3PO3 (aq) + 3 HCl (aq)

          

  5. SO3 (s)+ H2O <-->H2SO3 (aq)