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Assertion : Water is a good solvent for...

Assertion : Water is a good solvent for ionic compounds but poor one for covalent compounds.
Reason :Hydrogen energy of ions realeases sufficient energy to overcome lattice energy and break hydrogen bonds in water, white covalent bonded compound interact so weakly that even van der walls force between molecule of convalent compounds cannot be broken .

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Solubility in water depends on hydration energy and lattice energy.
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A : Water is a poor solvent for non polar compounds. R : Covalent compounds interact weakly that even van der Wall forces cannot be broken.

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When an ionic compound is dissolved in water (polar solvent), it breaks up into its constituent ions. The given ionic compound will be dissolved in water if its hydration energy is more than lattice energy . IF hydration energy is less than lattice energy then ionic compound is usually either sparingly soluble or insoluble in water. Which of the following ionic compound is having maximum lattice energy :

When an ionic compound is dissolved in water (polar solvent), it breaks up into its constituent ions. The given ionic compound will be dissolved in water if its hydration energy is more than lattice energy . IF hydration energy is less than lattice energy then ionic compound is usually either sparingly soluble or insoluble in water. Most hydrated cation is :

Knowledge Check

  • Assertion : Water is a good solvent for ionic compounds but poor for covalent compounds. Reason : Hydration energy of ions releases sufficient energy to overcome lattice energy and break hydrogen bonds in water while covalent compounds interact so weakly that even van der Waal's forces between molecules of covalent compounds cannot be broken.

    A
    If assertion is true but the reason is false
    B
    If assertion is false but reason is true
    C
    IF both assertion and reason are true and the reason is the correct explanation of assertion
    D
    If both assertion and reason are true but reason is not the correct explanation of assertion

  • A : Water is a poor solvent for non polar compounds. R : Covalent compounds interact weakly that even van der Wall forces cannot be broken.

    A
    If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
    B
    If both Assertion & Reason are true but the reason is not the correct explanantion of the assertion, then mark (2)
    C
    If assertion is true statements but Reason is false, then mark (3)
    D
    If both Assertion and Reason are false statements, then mark (4)

  • Assertion : Neopentene forms only one monosubstituted compound. Reason : Neopentane has high bond energy

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If assertion is false but reason is true.
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