Q.

The dielectric constant of H2O is 80. The electrostatic force of attraction between Na+  and Cl- will be

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a

reduced to 1/80 in water than in air

b

reduced to 1/40 in water than in air

c

will be increased to 80 in water than in air

d

will remain unchanged

answer is A.

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Detailed Solution

Electrostatic forces of attraction are reduced to 1/80th in water due to hydration of ions
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