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Which of the following anions is the wea...

Which of the following anions is the weakest base ?

A

`C_(2)H_(5)O^(-)`

B

`CN^(-)`

C

`CH_(3)CO^(-)`

D

`NO_(3)^(-)`

Text Solution

Verified by Experts

The correct Answer is:
D
`HNO_(3)` is the strongest acid
`:. ` it has the weakest conjugate base `NO_(3)^(-)`
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DINESH PUBLICATION-IONIC EQUILIBRIUM -REVISION QUESTIONS FROM COMPETITVE EXAMS
  1. If 0.1 M of a weak monobasic acid is taken and its percentage degree o...

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  2. Dissociation constant of NH(4)OH is 1.8 xx 10^(-5) . The hydrolysis co...

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  3. Which of the following anions is the weakest base ?

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  4. H(2)S gas when passed through a solution of cations containing HCl pre...

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  5. On adding 0.1 M solution each of Ag^(+),Ba^(2+), Ca^(2+) ions in a Na(...

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  6. The K(sp) of Mg(OH)(2) is 1xx10^(-12). 0.01 M Mg(OH)(2) will precipita...

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  7. A solution has pH=5, it is diluted 100 times, then it will become

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  8. A buffer solution has equal volume of 0.20 M NH(4)OH and 0.02 MNH(4)Cl...

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  9. 20mL of 0.5 M HCl and 35 mL of 0.1 N NaOH are mixed. The resulting sol...

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  10. Solubility product of a salt of AB is 1 xx 10^(-8) M ^(2) in a soluti...

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  11. For which of the following sparingly soluble salt the solubility (s) a...

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  12. Degree of dissociation of 0.1 N CH(3)COOHis ( Dissociation constant =1...

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  13. Which of the following is not a Lewis acid ?

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  14. The pH at the equivalence point of a titration may differ from 7.0 bec...

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  15. A weak monobasic acid is half neutralized by a strong base. If the Ph ...

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  16. ZnS is not precipitated by passing H(2)S in acidic medium but CuS is p...

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  17. When 30 mL of 5.93 millimolar solution of AgNO(3) was added to 2.0 mL ...

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  18. Choose the correct order arranged in decreasing order of basicity

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  19. HA is a weak acid. The pH of 0.1 M HA solution is 2. What is the degr...

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  20. Which of the following solvents are aprotic ? (1) NH(3)" "(2)SO(2...

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