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If (I)C + O2 rarr CO2 , Q1 (II) C+1//2...

If `(I)C + O_2 rarr CO_2 , Q_1`
`(II) C+1//2 O_2 rarr CO , Q_2`
`(III) CO + 1//2O_2 rarr CO_2 , Q_3`
  The heats of reaction `Q_1 and Q_2` are `-12, -10 `respectively. Then `Q_3` is

A

`-2`

B

`2 `

C

` –22`

D

` –16`

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The correct Answer is:
A
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-PRACTICE EXERCISE
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  2. Example of endothermic product is

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  4. The enthalpy of formation of N2O((g)) and NO((g)) are 82.0 KJ and 90 K...

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  5. The heats of formation of CO2, H2O and C2H4 are -94.05, -68.2 and 12.6...

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  6. Given that C + O2 rarr CO(2) , DeltaH^@ = -xkJ 2CO + O2 rarr 2CO2 , ...

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  7. The enthalpy of formation of ammonia is -46.0 KJ mol^(-1). The enthalp...

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  8. Which of the following bond has highest enthalpy

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  9. 2C((s))  + 1/2O(2(gg) rarr CO(2(g)) , DeltaH = -787 KJ H(2(g)) + 1/2...

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  10. Heats of combustion of C2H4, H2 and C2H6 are -1409 K.J, -285 K.J and -...

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  11. The enthalpy of combustion of cyclohexane cyclohexene and H2 are respe...

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  12. Given that CH3CHO + 5/2O2 rarr 2CO2 + 2H2O, DeltaH = -1168 KJ//"mole...

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  13. The enthalpy of vapourisation of a liquid is 30 KJ mol^(-1) and entrop...

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  14. H(2(g)) rarr 2H((g)) , DeltaH = 400 KJ , then DeltaS("system") at 2000...

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  15. Show that A ∪ B = A ∩ B implies A = B

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  16. Standard molar entropies of Mg((s)) , C((s)), MgO((s)) & CO((g)) respe...

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  17. DeltaH and DeltaS for certain reaction are -10KJ and - 44J/K, DeltaG^@...

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  18. S^@ of N2, H2 and NH3 respectively are 190, 130 & 111 J/K/mol, then D...

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