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

done AIEEE Solved Paper-2004 Total Questions - 5

• question_answer1) The correct order of bond angles (smallest first) in\[{{H}_{2}}S,N{{H}_{3}},B{{F}_{3}}\]and\[Si{{H}_{4}}\]is
  A)
  \[{{H}_{2}}S<Si{{H}_{4}}<N{{H}_{3}}<B{{F}_{3}}\]
  done clear
  B)
  \[N{{H}_{3}}<{{H}_{2}}S<Si{{H}_{4}}<B{{F}_{3}}\]
  done clear
  C)
  \[{{H}_{2}}S<N{{H}_{3}}<Si{{H}_{4}}<B{{F}_{3}}\]
  done clear
  D)
  \[{{H}_{2}}S<N{{H}_{3}}<B{{F}_{3}}<Si{{H}_{4}}\]
  done clear
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• question_answer2) The bond order in NO is 2.5 while that in \[N{{O}^{+}}\]is 3. Which of the following statements is true for these two species?
  A)
  Bond length in\[N{{O}^{+}}\]is greater than in\[NO\]
  done clear
  B)
  Bond length in\[NO\]is greater than in\[N{{O}^{+}}\]
  done clear
  C)
  Bond length in\[N{{O}^{+}}\]is equal to that in\[NO\]
  done clear
  D)
  Bond length is unpredictable
  done clear
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• question_answer3) The states of Hybridisation of boron and oxygen atoms in boric acid\[({{H}_{3}}B{{O}_{3}})\]are respectively            
  A)
  \[s{{p}^{2}}\]and\[s{{p}^{2}}\] 
  done clear
  B)
         \[s{{p}^{2}}\]and\[s{{p}^{3}}\] 
  done clear
  C)
         \[s{{p}^{3}}\]and \[s{{p}^{2}}\]       
  done clear
  D)
         \[s{{p}^{3}}\]and\[s{{p}^{3}}\]
  done clear
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• question_answer4) Which one of the following has the regular tetrahedral structure? (At. nos.\[B=5,S=16,Ni=28,\text{ }Xe=54\])
  A)
  \[Xe{{F}_{4}}\]                 
  done clear
  B)
         \[S{{F}_{4}}\]    
  done clear
  C)
         \[BF_{4}^{-}\]   
  done clear
  D)
         \[{{[Ni{{(CN)}_{4}}]}^{2-}}\]
  done clear
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• question_answer5) The maximum number of\[90{}^\circ \]angles between bond pair-bond pair of electrons is observed in
  A)
  \[ds{{p}^{3}}\]hybridisation       
  done clear
  B)
  \[s{{p}^{3}}{{d}^{2}}\]hybrfdisation
  done clear
  C)
  \[ds{{p}^{2}}\]hybridisation 
  done clear
  D)
  \[s{{p}^{3}}d\]hybridisation
  done clear
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