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Between Na^(+) and Ag^(+) , which is str...

Between `Na^(+)` and `Ag^(+)` , which is stronger Lewis acid and why?

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The correct Answer is:
`Ag` is a stronger Lewis acid as it has pseudo inert gas configuration (high polarising power due to less screening effect of inner d-electrons) whereas `Na^(+)` is a Weaker acid as it has inert gas configuration (less polarising power).
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Knowledge Check

  • Which is the strongest Lewis acid?

    A
    `BF_(3)`
    B
    `BCl_(3)`
    C
    `BBr_(3)`
    D
    `Bl_(3)`.

  • Which acid is stronger ?

    A
    `HA (pK_(a)=4.7)`
    B
    `HB (pK_(a)=3)`
    C
    `HC (pK_(a)=2)`
    D
    `HD (pK_(a)=2.7)`

  • Which one is Lewis acid

    A
    `Cl^(-)`
    B
    `Ag^(+)`
    C
    `C_(2)H_(5)OH`
    D
    `S^(2-)`
    • RESONANCE-D BLOCK ELEMENTS-EXERCISE-2 PART-I
    1. Between Na^(+) and Ag^(+) , which is stronger Lewis acid and why?

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    2. Why the highest oxidations state of a metal is exhibited in its or flu...

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    3. What may be the stable oxidation state of the transition elements with...

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    4. Why arre Mn^(2+) compounds more stable than Fe^(2+) toward oxidation t...

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    5. How is the variability in oxidation states fo transition metals differ...

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    6. which metal in the first series of transition metals exhibits +1 oxid...

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    7. The E(Theta)(M^(2+)//M) Value for copper is positive (+0.34V) . What i...

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    8. Why is the E^(Theta) value for the Mn^(3+)//Mn^(2+) couple much postiv...

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    9. Which is a stronger reducing agent Cr^(2+) or Fe^(2+) and why?

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    10. Why is Cu^(+) ion not stable in aqueous solution ? or Why is Cu^(+...

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    11. The aqueous solution of FeCl(3) is acidic . Why?

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    12. Ferric iodide is very unstable but ferric chloride is not

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    13. Copper dissolves in dilute nitrate acid but not in dilute HCl. Why?

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    14. Blue colour of CUSO(4) solution is discharge slowly when an iron rod i...

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    15. Copper (I) Salts are not known in aueous solution.

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    16. Calculate the number of unpaired electrons in the following gaseous io...

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    17. Mercurous ion is written as Hg(2)^(2+) whereas cuprous ion is written ...

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    18. Copper sulphate dissolves in Nh(4)OH solution but FesO(4) does not.

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    19. An aqueous solution of inorganic compounds (X) gives following reactio...

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    20. H(2)S gas is passed through an acidic solution of K(2)Cr(2)O(7) . The ...

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