Bond Energy Questions: Trivia Quiz

18 Questions | By Chemistshimo95 | Last updated: Mar 21, 2022 | Total Attempts: 260

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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 : CH_4(g)+2O_{2(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