Chemistry: Preparation Methods and Concepts Quiz
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Questions and Answers

What is the typical oxidation state of carbon compounds in nature?

  • +2
  • -4
  • +4 (correct)
  • 0

    • What is the reason behind the higher stability of haemoglobin complex of carbon monoxide compared to oxyhaemoglobin complex?

  • Lower stability of oxyhaemoglobin complex
  • Higher stability of haemoglobin complex (correct)
  • Lone pair of electrons on C
  • Higher reactivity of carbon monoxide

    • What is the characteristic of carbon dioxide?

  • Basic
  • Neutral
  • Toxic
  • Acidic (correct)

    • What is the effect of increased content of CO2 in the atmosphere?

    <p>Increase in temperature</p> Signup and view all the answers

    Why does lead in +2 state is stable?

    <p>Due to the inert pair effect</p> Signup and view all the answers

    What is the main application of silica, silicates and silicones?

    <p>In industrial field</p> Signup and view all the answers

    What is the reason behind the tendency of heavier elements to show +2 oxidation state?

    <p>Due to the inert pair effect</p> Signup and view all the answers

    What is the characteristic of carbon monoxide?

    <p>Neutral</p> Signup and view all the answers

    Why does boron triflouride behave as a Lewis acid?

    <p>Due to its electron deficient nature</p> Signup and view all the answers

    What is the effect of carbon monoxide on haemoglobin?

    <p>It forms a complex with haemoglobin</p> Signup and view all the answers

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