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The amount of heat released, when 20 ml ...

The amount of heat released, when 20 ml of 0.5 M NaOH is mixed with 100 mL of 0.1M HCl, is x kJ. The heat of neutralisation is

A

`-100 x`

B

`-50 x`

C

`+100 x`

D

`+50 x`

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The correct Answer is:
A
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-PRACTICE EXERCISE
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  3. The amount of heat released, when 20 ml of 0.5 M NaOH is mixed with 10...

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  4. -100 cm^3 of 0.1 M HCl and 100 cm^2 of 0.1.M NaOH solutions are mixed ...

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  5. For the reaction H^(+) + OH^(-) + H2O, DeltaH = -13.7 K. cal For H...

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  6. BOH((aq)) + H((aq))^(+) rarr B((aq))^(+) + H2O, DeltaH = -48 KJ.Heat o...

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  7. The heat of ionisation of weak acid and a weak base are .x. and .y. k....

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  8. If the heats of formation of Al2O3 and Fe2O3 are -400 K.Cal and -190 K...

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  9. When 1 litre of IM HCl is mixed with 1 litre of 1M NaOH, the rise in t...

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  10. Standard molar enthalpy is lowest for

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  11. Lattice dissociation energy and hydration energy of sodium chloride ar...

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  12. Example of endothermic product is

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  13. If (I)C + O2 rarr CO2 , Q1 (II) C+1//2 O2 rarr CO , Q2 (III) CO + ...

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

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

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

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

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  18. Which of the following bond has highest enthalpy

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  19. 2C((s))  + 1/2O(2(gg) rarr CO(2(g)) , DeltaH = -787 KJ H(2(g)) + 1/2...

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

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