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Under the same conditions, how many mL o...

Under the same conditions, how many `mL` of `1M KOH` and `0.5M H_(2)SO_(4)`solutions, respectively, when mixed to form a total volume of `100mL`, produces the highest rise in temperature?

A

`67:33`

B

`33:67`

C

`40:60`

D

50:50`

Text Solution

Verified by Experts

The correct Answer is:
D
`50Meq`. Of `KOH` and `50 Meq.` of `H_(2)SO_(4)` will produce maximum heat.
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P BAHADUR-THERMOCHEMISTRY-Exercise 3a objective problems
  1. If, combustion of 4g of CH(4) liberates 2.5kcal of heat, the heat of c...

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  2. A solution of 500mL of 2M KOH is added to 500mL of 2M HCl and the mixt...

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  3. Under the same conditions, how many mL of 1M KOH and 0.5M H(2)SO(4)sol...

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  4. AB,A(2) and B(2) are diatomic molecules. If the bond enthalpies of A(2...

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  5. DeltaC(p) for change ,N(2(g))+3H(2(g))=2NH(3(g)) is :

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

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  7. Which of the following is incorrect about the reaction : underset((D...

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  8. For N(2)(g) + 3H(2)(g) rarr 2NH(3)(g) + 22kcal, E(a) for the reaction ...

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  9. Bond energy of N-H,H-H and N-=N are a,b,c respectively. The DeltaH for...

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  10. If heat of neutralisation is -13.7kcal at 25^(@)C and H(f(H(2)O))^(@)=...

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  11. If (1)/(2)X(2)O((s)) rarr X((s))+(1)/(4)O(2(g)),DeltaH=90kJ then heat ...

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  12. The data given below are for vapour phase reactions at constant pressu...

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  13. The product of combustion of an aliphatic thiol (RSH) at 298K are :

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  14. The bond energy of H(2) is 104.3 kcal mol^(-1) . If means that :

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  15. Heat of neutralisation of NaOH and HCl is -57.46 kJ // equivalent. The...

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  16. The lattice energy of solid NaCI is 180 kcal mol^(-1). The dissolution...

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  17. Heat of neutralisation of HF is :

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  18. The heat of atomisation of PH(3(g)) is 228kcal mol^(-1) and that of P(...

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  19. Given that : 2CO((g))+O(2(g))rarr2CO(2(g)),DeltaH^(@)=-P kJ C((s))...

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  20. For which reaction DeltaH=DeltaU ?

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