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Solid State — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySolid State1 Mark
MCQ
Assertion (A): Ionic solids do not conduct electricity in solid state but in molten state they conduct electricity.
Reason (R): In solid state, the ions are fixed in their lattice positions but in molten state, the ions are free to move and conduct electricity.
  • A
    Both A and R are correct but R is not correct explanation of A.
  • ✓
    Both A and R are correct and R is the correct explanation of A
  • C
    A is correct but R is wrong
  • D
    A is wrong but R is correct
✓

Answer

Correct option: B.
Both A and R are correct and R is the correct explanation of A
Both A and R are correct and R is the correct explanation of A

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