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The p-Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe p-Block Elements5 Marks
Question
  1. Account for the following:
  1. Ozone is thermodynamically unstable.
  2. Solid $PCl_5$ is ionic in nature.
  3. Fluorine forms only one oxoacid HOF.
  1. Draw the structure of
  1. $BrF_{5.}$​​​​​​​
  2. $XeF_{4.}​​​​​​​$​​​​​​​
✓

Answer

  1.  
  1. Endothermic compound/decomposition of ozone is exothermic in nature and $\Delta $G is negative/decomposition of ozone is spontaneous.
  2. Exists as $[PCl_4]^+[PCl_6]^-$
  3. Shows only $-1$ oxidation state/most electronegative element/absence of d-orbitals.
  1.  
  1.  

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