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The bond energies of F(2),Cl(2),Br(2) an...

The bond energies of `F_(2),Cl_(2),Br_(2)` and `I_(2)` are 155.4, 243.6, 193.2 and `151.2 Kjmol^(-1)` respectively. The strongest bond is :

A

F -F

B

Cl - Cl

C

Br - Br

D

I - I

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The correct Answer is:
B
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ALLEN-THERMODYNAMICS -EXERCISE -3
  1. Bond energy of a molecule :

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  2. Among the following for which reaction heat of reaction represents bon...

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  3. The bond energies of F(2),Cl(2),Br(2) and I(2) are 155.4, 243.6, 193.2...

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  4. Energy required to dissociate 4g of gaseous hydrogen into free gaseous...

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  5. Heat evolved in the reaction H(2)+Cl(2) rarr 2HCl is 182 kJ Bond ene...

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  6. The enthalpy change for the reaction H(2)(g)+C(2)H(4)(g)rarr C(2)H(6)(...

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  7. Bond dissociation enthalpies of H(2)(g) and N(2)(g) are 436.0 kJ mol^(...

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  8. Consider the reactions : C((s))+2H(2(g)) rarr CH(4(g)), DeltaH=-X kc...

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  9. The enthalpy changes at 298 K in successive breaking of O-H bonds of ...

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  10. If values of Delta(f)H^(Theta) of ICI(g),CI(g), and I(g) are, respecti...

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  11. Heat of dissociation of benzene to elements is 5535 KJ mol^(-1). The b...

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  12. The enthalpy change for the reaction 2C("graphite")+3H(2)(g)rarrC(2)H(...

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  13. Cl(2)(g)rarr2Cl(g), In this process value of Delta H will be -

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  14. The magnitude of heat of solution ….. On addition of solvent to soluti...

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  15. If H(2)(g)=2H(g),DeltaH=104cal , then heat of atomisation of hydrogen ...

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  16. The heat of combustion of yellow phoshphorus and red phosphorus are -9...

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  17. The enthalpy change for chemical reaction is denoted as DeltaH^(Theta)...

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  18. 2CO((g))+O(2(g))rarr 2CO(2(g))+X KJ In the above equation X KJ refers ...

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  19. Which of the following reactions represents Delta H (hydration) :-

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  20. Delta H for the reaction, I((g))+I((g))rarr I(2(g)) will be :-

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