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Bond dissociation energy of O(2)(g) is x...

Bond dissociation energy of `O_(2)(g)` is `x k J mol^(-1)`. This means that

A

`x kJ` of energy is required to break one `O_(2)` molecule into atom

B

`x kJ` of energy is required to break `1` mole of `O=O` bond in gaseous state

C

`x kJ` of energy is needed to convert `O(g)` in `O^(-1)(g)`

D

`x kJ` of energy is required to break `O =O` bonds in `16g` of `O_(2)` gas.

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The correct Answer is:
B
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. An ideal gas expands from 10^(-3) m^(3) to 10^(-2) m^(3) at 300 K agai...

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  2. The equilibrium constant for certain reaction is 100. If the value R i...

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  3. Bond dissociation energy of O(2)(g) is x k J mol^(-1). This means that

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  4. H(2)O(l)toH(2)O(g) , DeltaH=+43.7 kJ H(2)O(s)toH(2)O(l) , DeltaH=+6....

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  5. Given that CH(4)(g) +360 kJ rarr C(g) +4H(g) C(2)H(6)(g) +620 kJ r...

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  6. For a reaction Br(2)(l)+Cl(2)(g)to2BrCl at 300K the value of DeltaH=...

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  7. At what temperature, DeltaG of a reaction is equal to -5.2 kJ mol^(-1)...

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  8. For a reaction A(g)+3B(g)to2C(g) , DeltaH^(@)=-24kJ The value of D...

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  9. Consider the following reaction at equilibrium 2Fe^(2+)(aq)+Cu^(2+)to2...

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  10. A gas absorbs 400J of heat and expands by 2 xx 10^(-3) m^(3) against a...

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  11. The enthalpy of formation of ammonia is -46.0 kJ mol^(-1). The enthalp...

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  12. Which one of the following relations is incorrect ?

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  13. The work done by the system in a cyclic process involving one mole of ...

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  14. The work done by the system in the conversion of 1 mol of water at 100...

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  15. If DeltaH(f)(X), DeltaH(f)(Y), DeltaH(f)(R ) and DeltaH(f)(S) denote t...

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  16. The enthalpy of the reaction H(2)(g)+(1)/(2)O(2)(g)toH(2)O(g) is Del...

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  17. The enthalpy of the reaction : H(2)O(2)(l)toH(2)O(l)+(1)/(2)O(2)(g) ...

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  18. One mole of a gas absorbs 200 J of heat at constant volume. Its temper...

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  19. Work done on a system when one mole of an an ideal gas at 500 K is com...

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  20. For the reversible isothermal expansion of one mole of an ideal gas at...

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