Solved papers for NEET Chemistry NEET PYQ-Oxygen Family

done NEET PYQ-Oxygen Family Total Questions - 13

• question_answer1) How many stereoisomers does this molecule have?\[C{{H}_{3}}CH=CHC{{H}_{2}}\overset{*}{\mathop{C}}\,HBrC{{H}_{3}}\] [AIPMT (S) 2008]
  A)
  4
  done clear
  B)
  6
  done clear
  C)
  8
  done clear
  D)
  2
  done clear
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• question_answer2) Which of the following oxides is not expected to react with sodium hydroxide?[AIPMT (S) 2009]
  A)
  \[5\times {{10}^{7}}\]
  done clear
  B)
  \[{{\text{v}}_{\text{0}}}\]
  done clear
  C)
  \[\text{v-}{{\text{v}}_{\text{0}}}\]       
  done clear
  D)
  \[\text{(}{{\text{v}}_{\text{0}}})\]
  done clear
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• question_answer3) Which one of the following compounds is a peroxide?                          [AIPMT (S) 2010]
  A)
  KO2
  done clear
  B)
  BaO2
  done clear
  C)
  MnO2
  done clear
  D)
  NO2
  done clear
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• question_answer4) 

  Match List I (substances) with List II (processes employed in the manufacture of the substances) and select the correct option. [AIPMT (M) 2010]

  List I (Substances) List II (Processes) A. Sulphuric acid B. Steel C. Sodium hydroxide D. Ammonia 1. Haber’s process 2. Bessemer’s process 3. Leblanc process 4. Contact process

  A)
  A-1,      B-4,      C-2,      D-3
  done clear
  B)
  A-1,      B-2,      C-3,      D-4
  done clear
  C)
  A-4,      B-3,      C-2,      D-1
  done clear
  D)
  A-4,      B-2,      C-3,      D-1
  done clear
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• question_answer5) Which of the following oxide is amphoteric?                                       [AIPMT (M) 2011]
  A)
  SnO2
  done clear
  B)
  CaO     
  done clear
  C)
  SiO2
  done clear
  D)
  CO2
  done clear
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• question_answer6) Which of the following statements is not valid for oxoacids of phosphorus?         [AIPMT (S) 2012]
  A)
  Orthophosphoric acid is used in the manufacture of triple superphosphate
  done clear
  B)
  Hypophosphorous acid is a diprotic acid
  done clear
  C)
  All oxoacids contain tetrahedral four coordinated phosphorus
  done clear
  D)
  All oxoacids contain at least one P=0 unit and one P—OH group
  done clear
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• question_answer7) Sulphur trioxide can be obtained by which of the following reaction       [AIPMT (S) 2012]
  A)
  \[\text{CaS}{{\text{O}}_{\text{4}}}\text{+}\,\text{C}\xrightarrow[{}]{\Delta }\]
  done clear
  B)
  \[\text{F}{{\text{e}}_{\text{2}}}{{\text{(S}{{\text{O}}_{\text{4}}}\text{)}}_{\text{3}}}\xrightarrow[{}]{\text{ }\!\!\Delta\!\!\text{ }}\]
  done clear
  C)
  \[\text{S}\,\text{+}\,{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\xrightarrow[{}]{\text{ }\!\!\Delta\!\!\text{ }}\]
  done clear
  D)
  \[\,{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}+\text{PC}{{\text{l}}_{\text{5}}}\xrightarrow[{}]{\text{ }\!\!\Delta\!\!\text{ }}\]
  done clear
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• question_answer8) Which of the following does not give oxygen on heating?                                           [NEET 2013]
  A)
  \[\text{KCl}{{\text{O}}_{\text{3}}}\]
  done clear
  B)
  \[\text{Zn(Cl}{{\text{O}}_{\text{3}}}{{)}_{2}}\]
  done clear
  C)
  \[{{\text{K}}_{\text{2}}}\text{C}{{\text{r}}_{\text{2}}}{{\text{O}}_{7}}\]
  done clear
  D)
  \[{{\text{(N}{{\text{H}}_{\text{4}}}\text{)}}_{\text{2}}}\text{C}{{\text{r}}_{\text{2}}}{{\text{O}}_{\text{7}}}\]
  done clear
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• question_answer9) Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other? [NEET 2015 ]
  A)
  Forms' acid-rain
  done clear
  B)
       Is a reducing agent
  done clear
  C)
  Is soluble in water          
  done clear
  D)
  Is used as a food-preservative
  done clear
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• question_answer10) In which pair of ions both the species contain S-S bond?                                          [NEET-2017]
  A)
  \[{{S}_{4}}O_{6}^{2-},{{S}_{2}}O_{7}^{2-}\]
  done clear
  B)
  \[{{S}_{2}}O_{7}^{2-},{{S}_{2}}O_{3}^{2-}\]
  done clear
  C)
  \[{{S}_{4}}O_{6}^{2-},{{S}_{2}}O_{3}^{2-}\]
  done clear
  D)
  \[{{S}_{2}}O_{7}^{2-},{{S}_{2}}O_{8}^{2-}\]
  done clear
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• question_answer11) Which is the correct thermal stability order for \[{{H}_{2}}E\](E = O, S, Se, Te and Po)?  [NEET 2019]
  A)
  \[{{H}_{2}}Po<{{H}_{2}}Te<{{H}_{2}}Se<{{H}_{2}}S<{{H}_{2}}O\]
  done clear
  B)
  \[{{H}_{2}}Se<{{H}_{2}}Te<{{H}_{2}}Po<{{H}_{2}}O<{{H}_{2}}S\]
  done clear
  C)
  \[{{H}_{2}}S<{{H}_{2}}O<{{H}_{2}}Se<{{H}_{2}}Te<{{H}_{2}}Po\]
  done clear
  D)
  \[{{H}_{2}}O<{{H}_{2}}S<{{H}_{2}}Se<{{H}_{2}}Te<{{H}_{2}}Po\]
  done clear
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• question_answer12) Which of the following oxoacid of sulphur has O - O - linkage?                                  [NEET 2020]
  A)
  \[{{H}_{2}}S{{O}_{4}}\], sulphuric acid
  done clear
  B)
  \[{{H}_{2}}{{S}_{2}}{{O}_{8}}\], peroxodisulphuric acid
  done clear
  C)
  \[{{H}_{2}}{{S}_{2}}{{O}_{7}}\], pyrosulphuric acid
  done clear
  D)
  \[{{H}_{2}}S{{O}_{3}}\], sulphurous acid
  done clear
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• question_answer13) 

  Match the following:                    [NEET 2020]

  Oxide Nature [a] CO (i) Basic [b] BaO (ii) Neutral [c] \[A{{l}_{2}}{{O}_{3}}\] (iii) Acidic [d] \[C{{l}_{2}}{{O}_{7}}\] (iv) Amphoteric Which of the following is correct option?

  A)
  A-(ii),    B-(i),     C-(iv)    D-(iii)
  done clear
  B)
  A-(iii),    B-(iv),   C-(i),     D-(ii)
  done clear
  C)
  A-(iv),   B-(iii),    C-(ii),    D-(i)
  done clear
  D)
  A-(i),     B-(ii),    C-(iii),    D-(iv)
  done clear
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