JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank

done Reversible and Irreversible reaction Total Questions - 7

• question_answer1)
  A reversible reaction is one which [MP PET 1986]
  A)
                  Proceeds in one direction done clear
  B)
                  Proceeds in both directions done clear
  C)
                  Proceeds spontaneously done clear
  D)
                  All the statements are wrong done clear
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• question_answer2)
  Which of the following is a characteristic of a reversible reaction                                                [AFMC 1993]
  A)
                  Number of moles of reactants and products are equal done clear
  B)
                  It can be influenced by a catalyst done clear
  C)
                  It can never proceed to completion done clear
  D)
                  None of the above done clear
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• question_answer3)
  The reaction \[CaC{{O}_{3}}\] ⇌ \[CaO+C{{O}_{2}}(g)\] goes to completion in lime kiln because [MP PMT/PET 1988; CPMT 1990]
  A)
                  Of the high temperature done clear
  B)
                  \[CaO\] is more stable than \[CaC{{O}_{3}}\] done clear
  C)
                  \[CaO\] is not dissociated done clear
  D)
                  \[C{{O}_{2}}\] escapes continuously done clear
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• question_answer4)
  In the given reaction \[{{N}_{2}}+{{O}_{2}}\]⇌\[2NO\], equilibrium means that                             [MADT Bihar 1984]
  A)
                  Concentration of reactants is changing where as  concentration of products is constant done clear
  B)
                  Concentration of all substances is constant done clear
  C)
                  Concentration of reactants is constant where as concentration of products is changing done clear
  D)
                  Concentration of all substances is changing done clear
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• question_answer5)
  Which of the following reactions is reversible [MADT Bihar 1980]
  A)
                  \[{{H}_{2}}+{{I}_{2}}\xrightarrow{{}}2HI\] done clear
  B)
                  \[{{H}_{2}}S{{O}_{4}}+Ba{{(OH)}_{2}}\xrightarrow{{}}BaS{{O}_{4}}+2{{H}_{2}}O\] done clear
  C)
                  \[NaCl+AgN{{O}_{3}}\xrightarrow{{}}NaN{{O}_{3}}+AgCl\] done clear
  D)
                  \[Fe+S\xrightarrow{{}}FeS\] done clear
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• question_answer6)
  All reactions which have chemical disintegration                                                                                                                [MP PMT 1990]
  A)
                  Is reversible done clear
  B)
                  Is reversible and endothermic done clear
  C)
                  Is exothermic done clear
  D)
                  Is reversible or irreversible and endothermic or exothermic done clear
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• question_answer7)
  Amongst the following chemical reactions the irreversible reaction is                                      [MP PMT 1999]
  A)
                  \[{{H}_{2}}+{{I}_{2}}\] ⇌ \[HI\] done clear
  B)
                  \[AgN{{O}_{3}}+NaCl\]⇌\[AgCl+NaN{{O}_{3}}\] done clear
  C)
                  \[CaC{{O}_{3}}\] ⇌\[CaO+C{{O}_{2}}\] done clear
  D)
                  \[{{O}_{2}}+2S{{O}_{2}}\]⇌\[2S{{O}_{3}}\] done clear
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