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4.0 g of NaOH and 4.9 g of H(2)SO(4) are...

`4.0` g of NaOH and `4.9` g of `H_(2)SO_(4)` are dissolved in water and volume is made upto 250 mL.
The pH of this solution is:

A

7

B

1

C

2

D

12

Text Solution

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The correct Answer is:
A
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MOTION-IONIC EQUILIBRUIM-Exercise -1
  1. For a 100 ml solution of 10–2 M NaOH the ratio pH: pOH would be –

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  2. How many moles of HCl must be removed from 1 litre of aqueous HCl solu...

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  3. 4.0 g of NaOH and 4.9 g of H(2)SO(4) are dissolved in water and volume...

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  4. Nicotinic acid (K(a)=1.4xx10^(-5)) is repersented by the formula HNiC....

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  5. A monoprotic acid in a 0.1 M solution ionizes to 0.001%. Its ionisatio...

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  6. If the concentration of the weak monoprotic acid HA is C mmol L^(-1) ...

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  7. The formula to calculate pKa for acetic acid is

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  8. K1 and K2 are the first and second dissociation constants of oxalic ac...

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  9. K(a(1)), K(a(2)) and K(a(3)) are the three dissociation constants of H...

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  10. For two weak acids A and B, the ratio of their percent ionization is 4...

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  11. The pH of two equimolar weak acids are 3.0 and 5.0 respectively. Their...

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  12. The dissociation constant of two weak acids are k(a(1)) & k(a(2)) resp...

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  13. Addition of sodium acetate solution to acetic acid causes the followin...

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  14. The pH of two solutions are 5 and 3 respectively. What will be the pH ...

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  15. Which of the following is an acidic salt –

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  16. Select the correct combination –

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  17. Expression Pkh = pKw - pKa - pKb is not applicable to –

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  18. What is the pH of an aqueous solution of ammonium acetate (Ka= Kb =1....

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  19. If pKb gt pKa then the solution of the salt of weak acid and weak base...

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  20. pOH=7-0.5pKa+0.5 pKb is true for aqueous solution containing which pai...

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