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What is the necessary condition for an i...

What is the necessary condition for an ionic compound to be soluble in water ?

A

`DeltaH_("hyd") gt Delta H_("lattice") `

B

`DeltaH_("lattice") gt Delta H_("hyd") `

C

`DeltaH_("hyd") gt Delta H_("lattice") `

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Hydration energy `gt` lattice energy. So that hydration energy minimize the electrostatic repulsion between anion and cation.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-NATURE OF CHEMICAL BOND -EXERCISE 2 (Miscellaneous Problems)
  1. What is the necessary condition for an ionic compound to be soluble in...

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  2. The percentage ionic characterin Cs-Cl bond present in CsCl molecule w...

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  3. If molecule MX3 has zero dipole moment, the sigma bonding orbitals use...

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  4. Which of the following pairs has zero dipole moment ?

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  5. Given : Dipole moment of HCl=1.03 D Bond length of HI=0.38D Bond...

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  6. The correct order of increasing covalent character of the following is

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  7. Bond energy H-H,F-F and H-F bonds are 104, 38 and 135 Kcal "mol"^(-1),...

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  8. Which of the following compounds has the samallest bond angle in its m...

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  9. The bond order of H(2)^(-) ion is (1)/(2). If it has 2 bonding electro...

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  10. Arrange the following molecules in the increasing order of bond angle....

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  11. The compound MX(4) is tetrahedral. The number of angleXMX angles forme...

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  12. Match the following and chose the correct option.

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  13. In XeF(2),XeF(4) and XeF(6)(g) the number of lone pairs on Xe respecti...

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  14. Molecular shapes of SF(4). And CF(4) and XeF(4) are:

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  15. The d-orbitals involved in sp^(3)d hybridisation is:

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  16. In accordance to molecular theory,

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  17. The bond dissociation energy of B-F in BF(3) is 646 kJ mol^(-1) where...

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  18. Which of the following statements (s) is/are true ?

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  19. In which of the following ionixation processes , the bond order has in...

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  20. Consider the following compounds, I, 1,2-hydroxybenzene II 1,3-dih...

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  21. Ortho -nitrophenol is less soluble in water than p-and m-nitrophenols ...

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