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Which of the following is relatively the...

Which of the following is relatively the weakest acid

A

`HA (2xx10 ^(-4) ) `

B

` HB (3xx10 ^(-5))`

C

` HC ( 1.8 xx10^(-3))`

D

` HD (9.6xx10^(-10))`

Text Solution

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The correct Answer is:
C
Strength of acid `alpha , K_a`
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AAKASH SERIES-IONIC EQUILIBRIUM -LECTURE SHEET (EXERCISE -II LEVEL -I (MAIN) (Straight Objective Type Questions))
  1. At some high temperature, K(w) of water is 10^(-13) Then the P^(H) of ...

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  2. Among the following (a) P^(H) of water decreases with increase i...

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  3. The H^(+) ion concentration of a solution is 4xx10^(-5) M. Then th...

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  4. 0.004 g of NaOH is present in 1L of a solution. The pH of the solut...

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  5. The P^(H) of 0.005 M Ba (OH)(2) is

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  6. The [OH]^(-)] of 0.005 M H(2)SO(4) is

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  7. The P^(H) of a dibasic acid is 3.699. Its molarity is

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  8. The P^(H) of 10^(-8) M HCI is

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  9. The p^(H) of 0.1 M NaCI solution is

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  10. The P^(H) of a solution is 3.0. This solution is diluted by 100 times...

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  11. The P^(H) of HCI is 3. Then the P^(H) of NaOH solution having same mo...

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  12. For weak acid (alpha is very small)

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  13. At infinite dilution , the percentage ionisation of both strong and we...

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  14. Which of the following is the best conductor of electricity ?

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  15. Strength of a weak acid or a weak base depends upon its

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  16. The P^(H) of 0.001 M CH(3),COOH is

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  17. Which of the following is relatively the weakest acid

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  18. A monoprotic acid in a 0.1 M solution ionizes to 0.001 % . Its ionizat...

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  19. The hydrogen ion concentration of 0.2 M CH3 COOH which is 4% ionised ...

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  20. pH of a weakacid in 0.1 M solution is 4.3. Which statements are correc...

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