1.

Assertion . Water is specially effective in screeniing the electrostatic interactions between the dissolved ions Reason . The electrostatic forces between two charged ions are inversely proportional to the dielectic constant of the solvent .

Answer»

If both ASSERTION and reason are correct, and reason is the correct EXPLANATION of the assertion.
If both assertion and reason are correct , but reason is not the correct explanation of the assertion.
If assertion is correct, but reason is incorrect .
If both assertion and reason are incorrect.

Solution :Correct explanation . WATER the high DIELECTRIC constant


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