Solved papers for NEET Chemistry NEET PYQ-Nitrogen Family

done NEET PYQ-Nitrogen Family Total Questions - 14

• question_answer1) Repeated use of which one of the following fertilizers would increase the acidity of the soil? [AIPMT 1998]
  A)
  Urea     
  done clear
  B)
  Superphosphate of lime
  done clear
  C)
  Ammonium sulphate      
  done clear
  D)
  Potassium nitrate
  done clear
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• question_answer2) Which of the following is most acidic? [AIPMT 1999]
  A)
  \[{{N}_{2}}{{O}_{5}}\]
  done clear
  B)
  \[{{P}_{2}}{{O}_{5}}\]
  done clear
  C)
  \[A{{s}_{2}}{{O}_{5}}\]
  done clear
  D)
  \[S{{b}_{2}}{{O}_{5}}\]
  done clear
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• question_answer3) Which of the following phosphorus, is the most reactive?                             [AIPMT 1999]
  A)
  Red phosphorus
  done clear
  B)
  White phosphorus
  done clear
  C)
  Scarlet phosphorus
  done clear
  D)
  Violet phosphorus
  done clear
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• question_answer4) Among the following ions the \[p\pi -d\pi \] overlap could be present in:                    [AIPMT 2000]
  A)
  \[NO_{2}^{-}\]
  done clear
  B)
  \[NO_{3}^{-}\]
  done clear
  C)
  \[PO_{4}^{3-}\]
  done clear
  D)
  \[CO_{3}^{2-}\]
  done clear
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• question_answer5) Nitrogen forms \[{{N}_{2}},\] but phosphorus when form \[{{P}_{2}}\] readily converted into \[{{P}_{4}},\] reason is: [AIPMT 2001]
  A)
  triple bond present between phosphorus atom
  done clear
  B)
  \[{{P}_{\pi }}-{{P}_{\pi }}\] bonding is weak
  done clear
  C)
  \[{{P}_{\pi }}-{{P}_{\pi }}\] bonding is strong    
  done clear
  D)
  multiple bond form easily
  done clear
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• question_answer6) Which of the following has \[{{p}_{\pi }}-{{d}_{\pi }}\] bonding? [AIPMT 2002]
  A)
  \[NO_{3}^{-}\]
  done clear
  B)
  \[SO_{3}^{2-}\]
  done clear
  C)
  \[BO_{3}^{3-}\]
  done clear
  D)
  \[CO_{3}^{2-}\]
  done clear
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• question_answer7) How many bridging oxygen atoms are present in \[{{\text{P}}_{\text{4}}}{{\text{O}}_{\text{10}}}\]?                                     [AIPMT (M) 2010]
  A)
  6
  done clear
  B)
  4
  done clear
  C)
  2
  done clear
  D)
  5
  done clear
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• question_answer8) Strong reducing behaviour of \[{{H}_{3}}P{{O}_{4}}\] is due to                                [NEET 2015 (Re)]
  A)
  presence of one —OH group and two P—H bonds
  done clear
  B)
  high electron gain enthalpy of phosphorus
  done clear
  C)
  high oxidation state of phosphorus
  done clear
  D)
  presence of two —OH groups and one P—H bond
  done clear
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• question_answer9) Which is the correct statement for the given acids? [NEET - 2016]
  A)
  Phosphinic acid is a diprotic acid while phosphonic acid is a monoprotic acid
  done clear
  B)
  Phosphinic acid is a monoprotic acid while phosphonic acid is a diprotic acid
  done clear
  C)
  Both are triprotic acids
  done clear
  D)
  Both are diprotic acids
  done clear
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• question_answer10) Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity? [NEET - 2018]
  A)
  \[{{\text{N}}_{\text{2}}}\text{O}\]
  done clear
  B)
  \[\text{N}{{\text{O}}_{2}}\]
  done clear
  C)
  \[{{\text{N}}_{\text{2}}}{{\text{O}}_{\text{5}}}\]
  done clear
  D)
  \[\text{NO}\]
  done clear
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• question_answer11) 

  Match the following:                    [NEET 2019]

  [a] Pure nitrogen (i) Chlorine [b] Haber process (ii) Sulphuric acid [c] Contact process (iii) Ammonia [d] Deacon’s process (iv) Sodium azide or Barium azide Which of the following is the correct option?

  A)
  A-(iii),    B-(iv),   C-(ii),    D-(i)
  done clear
  B)
  A-(iv),   B-(iii),    C-(ii),    D-(i)
  done clear
  C)
  A-(i),     B-(ii),    C-(iii),    D-(iv)
  done clear
  D)
  A-(ii),    B-(iv),   C-(i),     D-(iii)
  done clear
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• question_answer12) Identify the incorrect statement related to \[PC{{l}_{5}}\]from the following-              [NEET 2019]
  A)
  Axial P-Cl bonds are longer than equatorial P-Cl bonds
  done clear
  B)
  \[PC{{l}_{5}}\] molecule is non-reactive
  done clear
  C)
  Three equatorial P-Cl bonds make an angle of \[120{}^\circ \] with each other
  done clear
  D)
  Two axial P-Cl bonds make an angle of \[180{}^\circ \]with each other
  done clear
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• question_answer13) The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber’s process is:           [NEET 2019]
  A)
  30
  done clear
  B)
  40
  done clear
  C)
  10
  done clear
  D)
  20
  done clear
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• question_answer14) Urea reacts with water to form A which will decompose to form B. B when passed through\[C{{u}^{2+}}\text{(}aq)\], deep blue colour solution C is formed. What is the formula of C from the following? [NEET 2020]
  A)
  \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]
  done clear
  B)
  \[Cu{{(OH)}_{2}}\]
  done clear
  C)
  \[CuC{{O}_{3}}Cu{{(OH)}_{2}}\]
  done clear
  D)
  \[CuS{{O}_{4}}\]
  done clear
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