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50 ml of H(2),O is added to 50 ml of 1xx...

50 ml of `H_(2),O` is added to 50 ml of `1xx 10^(-3)` M barium hydroxide solution. What is the `P^(H)` of the resulting solution?

A

`3.0`

B

` 3.3`

C

`11.7`

D

` 11.0`

Text Solution

Verified by Experts

The correct Answer is:
D
Solution is diluted ,` N_1 V_1 =N_2V_2`
` 2 xx 10 ^(-3) xx 50 =N_2 xx 100`
`N_2 = 10 ^(-3) rArr [OH^(-) ] =10 ^(-3) `
`pOH = 3 therefore pH =11`
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AAKASH SERIES-IONIC EQUILIBRIUM -PRACTICE SHEET (EXERCISE -II LEVEL -I (MAIN) (Straight Objective Type Questions))
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  2. The P^(H) of solution is 9. It is times more basic than a solution wi...

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  3. 50 ml of H(2),O is added to 50 ml of 1xx 10^(-3) M barium hydroxide so...

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  4. When 100 ml of N/10 NaOH are added to 50 ml of N/5 HCI, the P^(H) of ...

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  5. The P^(H) of HCI is 5. It is diluted by 1000 times. Its P^(H) will be

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  6. Ostwald dilution law is applicable to

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  7. Which of the following is a strong electrolyte

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  8. Which of the following does not affect the degree of ionisation?

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  9. Which of the following is relatively stronger base? P^(kb) values are...

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  10. The P^(H) of a weak mono basic acid is 5. The degree of ionisation of...

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  11. The P^(H) of 10^(-3) M mono acidic base, if it is 1% ionised is

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  12. The first and second dissociation constants of an acid H(2)A are 10^(-...

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  13. The value of ionic product of water increases with increase in

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  14. P^(H) of a solution is independent of

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  15. At 100^(@) C, the value of P^(kw) is

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  16. Which of the following is wrong ?

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  17. If the ionic product of water (K(w) ) is 1.96 xx 10^(-14) at 35^(circ)...

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  18. At 25^(0)C, the hydroxyl ion concentration of a basic solution is 6.75...

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  19. At certain temperature the K(w) of D(2),O is 10^(=-16) M. Then the pD ...

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  20. One litre of water contains 10^(-7) "moles of " H^(+) ions . Degree ...

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