Bond Energy Questions: Trivia Quiz

18 Questions | Total Attempts: 260

SettingsSettingsSettings
Bond Energy Questions: Trivia Quiz - Quiz

What do you know about bond energy? Bond energy is the measure of a chemical bond to strengthen a chemical bond. This boost means that it demonstrates bond energy tells us how likely a pair of atoms is to remain bonded in the presence of certain types of life. Energy is always required to break a bond, and this is called bond energy. Try this quiz and see how much you know about bond energy.


Questions and Answers
  • 1. 
    ∆H°f stands for the ……………
    • A. 

      Specific heat of substance                       

    • B. 

      Heat capacity of substance

    • C. 

      Heat of reaction for chemical reaction

    • D. 

      Standard heat of formation for a compound

  • 2. 
    If a solid substance is placed in a beaker on a hot plate and the temperature is recorded until it becomes a  liquid completely what would you observe? 
    • A. 

      The temperature would rise and then hold steady      

    • B. 

      The temperature would fall continuously ​​​​​​​

    • C. 

      The temperature would rise continuously

    • D. 

       the temperature would rise and then fall

  • 3. 
    which is more dangerous to your body     …………..
    • A. 

      Water vapour fires     

    • B. 

      Hot water fires

  • 4. 
    bond energy is heat require to breaking and  forming bonds in three mole of substance    
    • A. 

      True

    • B. 

      False

  • 5. 
    the standard condition for the reaction are ……………   
    • A. 

      Pressure 1 atm ,temperature 0°C      

    • B. 

      Pressure 1 atm ,temperature 100°C

    • C. 

      Pressure 1 atm ,temperature 25°C

    • D. 

      Pressure 1 atm ,temperature 273°C

  • 6. 
    what occurs when the temperature of 10.0g of water is changed from 15.5 to 14.5 degree Celsius    
    • A. 

      The water absorb 42joule   

    • B. 

       the water release 4200joule    

    • C. 

      The water absorb 4200joule

    • D. 

      The water release 42 joule

  • 7. 
    When the energy of bond breaking in the reactant is lower than the energy of bond formation in the product , the reaction will be …………….
    • A. 

      Exothermic

    • B. 

      Endothermic

  • 8. 
    when bond formed ,kinetic energy ………….., to make molecule ……..
    • A. 

       increase, unstable

    • B. 

      Increase, stable   

    • C. 

      Decrease, stable   

    • D. 

      Decrease, unstable

  • 9. 
    heat of formation of hydrogen halides :  H-F              ∆H°f = -271kj /mol   , H-Br            ∆H°f = -36 kj/mol,  H-I               ∆H°f  = +26Kj/mol    , H-Cl ,          ∆H°f = -92KJ/mol ,    which bond is less stable ?  
    • A. 

      H-I

    • B. 

      H-Cl

    • C. 

      H-Br

    • D. 

      H-F

  • 10. 
    heat content changed by ………..  
    • A. 

      Chemical state   

    • B. 

      Physical state

    • C. 

      Chemical & physical state

    • D. 

       neither physical nor chemical state

  • 11. 
    Which picture below shows the enthalpy diagram for a one-step exothermic reaction ………………
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 12. 
    energy diagram for reaction which is more stable , …………….
    • A. 

      1

    • B. 

      2

  • 13. 
     the change in heat content = …………..
    • A. 

      Heat content of reactant +  heat content of product 

    • B. 

      Heat content of reactant – heat content of product     

    • C. 

      Heat content of product  

    • D. 

      Heat content of product –heat content of reactant

  • 14. 
    in the reaction X2+Y2 → 2XY , if bond X-X &Y-Y are weak bond ,   X-Y is strong bond , the type of reaction is ……….     
    • A. 

      Exothermic reaction            

    • B. 

      Endothermic reaction

  • 15. 
    100.0 g of NH4NO3 is placed in 100g of water at 25°C cooling it to 18.0°C ,calculate the change in enthalpy of solution ? 
    • A. 

       3.657    

    • B. 

      -2.3408   

    • C. 

      -3.657 

    • D. 

      2.3408        

  • 16. 
    In the following reaction :   CH4(g)+2O2(g) .......... CO2 (g) +2H2O (l)   ∆H = -890 KJ/mol ,        the released heat from combustion of 3 mol of methane is …………..kj    
    • A. 

      - 890   

    • B. 

      2670

    • C. 

      1780 

    • D. 

      -2070

  • 17. 
    A piece of candy has 5 calorie , if it could be burned leaving nothing but CO2 &H2O ,how much would it give off?    
    • A. 

      500 calorie       

    • B. 

      5000 joule

    • C. 

      None of them

    • D. 

      5 kilocalorie 

  • 18. 
    when green copper carbonate decomposes , the equation is :      Is the reaction exothermic or endothermic ?
    • A. 

      Exothermic reaction

    • B. 

      Endothermic reaction

Back to Top Back to top