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The correct order of hydration enthalpie...

The correct order of hydration enthalpies of alkali metal ions is:

A

`Na^(o+)`

B

`Li^(o+)`

C

`Cs^(o+)`

D

`K^(o+)`

Text Solution

Verified by Experts

The correct Answer is:
B
Due to the small size. All belong to group `I` and the hydration energy decreases down the group.
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CENGAGE CHEMISTRY-PERIODIC CLASSIFICATION OF ELEMENTS AND GENERAL INORGANIC CHEMISTRY-Ex 1.2(Objective)
  1. Which has maximum polarising power in cation ?

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  2. Which has the maximum IE ?

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  3. The correct order of hydration enthalpies of alkali metal ions is:

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  4. Inert pair effect is shown by

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  5. Which is//are ampoteric oxide ?

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  6. EA is positive when

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  7. Which has the maximum covalent character?

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  8. In which sovalent KBr has maximum solubility?

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  9. Lattice energy of BeCO(3)(I), MgCO(3)(II) and CaCO(3)(III) is in order...

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  10. NO(2) and N(2)O(4) are two forms of nitrogen dioxide. One exists in ga...

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  11. Magnetic moment of V(Z = 23),Cr(Z = 24),and Mn(Z= 25) are x,y,z repe...

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  12. Solubility of groups 1 and 2 fluorides increases down the group'. Whic...

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  13. Which of the following molecule is theoretically not possible ?

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  14. Which of the following triads have approximately equal size ?

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  15. Which pair is different from the others ?

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  16. Compound XY is predominantly ionic as X^(o+)Y^(ɵ) if

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  17. (X), (Y), (Z) are elements in third short period. Oxide of (X) is ioni...

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  18. Which of the correct order of size ? (O^(ɵ), O^(2-), F^(ɵ) and F ?)

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  19. F has the highest electronegativity among the group 17 elements (i.e. ...

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  20. The correct order of decreasing ionic character is

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