Solved papers for JEE Main & Advanced AIEEE Solved Paper-2004

done AIEEE Solved Paper-2004 Total Questions - 2

• question_answer1) Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in
  A)
  exhibiting maximum covalency in compounds
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  B)
  forming polymeric hydrides
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  C)
  forming covaient halides
  done clear
  D)
  exhibiting amphoteric nature in their oxides
  done clear
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• question_answer2) Aluminium chloride exists as dimer,\[A{{l}_{2}}C{{l}_{6}}\]in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives
  A)
  \[A{{l}^{3+}}+3C{{l}^{-}}\]                           
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  B)
  \[{{[Al{{({{H}_{2}}O)}_{6}}]}^{3+}}+3C{{l}^{-}}\]
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  C)
  \[{{[Al{{(OH)}_{6}}]}^{3+}}+3HCl\]
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  D)
         \[A{{l}_{2}}{{O}_{3}}+6HCl\]
  done clear
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