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If the enthalpy of formation of H2O(l) i...

If the enthalpy of formation of `H_2O(l)` is `-x kj/mol `and enthalpy of neutralization of HCl and NaOH is `-y kj/mol ` then enthalpy of formation of `OH^-1 ion (in kJ/mol)` is

A

`x+y`

B

`x-y`

C

`y-x`

D

`x-2y`

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
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  2. If for a reaction A(s) rarr 2B(g), deltaU+ 1.2 kcal and deltaS=40 cal ...

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  3. If the enthalpy of formation of H2O(l) is -x kj/mol and enthalpy of ne...

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  4. The number of moles of sodium chloride in 585 g is

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  9. The number of moles of methane in 320 g is

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  10. Density of O3(g) at 2atm pressure and at 127°C is

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  11. Condition in which a reaction can never be spontaneous, is

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  12. pH of a strong acid solution is 2. What volume of water must be added ...

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  13. For a reaction A(g)+2B(g) harr 4C(g), equilibrium concentration of A,B...

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  14. pH of saturated solution of Al(OH)3 is 9. The solubility product (Ksp)...

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