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COMEDK2018ChemistrySolid State

Which of the following does not conduct electricity?

Options

  1. AFused NaCl
  2. BSolid NaCl
  3. CBrine solution
  4. DCopper

Correct answer

B. Solid NaCl

Step-by-step solution

Solid NaCl does not conduct electricity because the ions ( Na ⁺ . and . Cl ⁻ ) are well arranged in the crystal structure and not free to move to conduct electricity.

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